diff --git a/Build.PL b/Build.PL
index 4c7fa412a..98920731c 100644
--- a/Build.PL
+++ b/Build.PL
@@ -30,20 +30,7 @@ my %recommends = qw(
 );
 
 my $sudo    = grep { $_ eq '--sudo' } @ARGV;
-my $gui     = grep { $_ eq '--gui' } @ARGV;
 my $nolocal = grep { $_ eq '--nolocal' }  @ARGV;
-if ($gui) {
-    %prereqs = qw(
-    Class::Accessor                 0
-    Wx                              0.9918
-    );
-    %recommends = qw(
-    Wx::GLCanvas                    0
-    );
-    if ($^O eq 'MSWin32') {
-        $recommends{"Win32::TieRegistry"} = 0;
-    }
-}
 
 my @missing_prereqs = ();
 if ($ENV{SLIC3R_NO_AUTO}) {
@@ -129,13 +116,6 @@ EOF
     }
 }
 
-print "\n";
-if ($gui) {
-    print "Perl dependencies for the Slic3r GUI were installed.\n";
-} else {
-    print "Perl dependencies for Slic3r were installed.\n";
-    print "If you also want to use the GUI you can now run `perl Build.PL --gui` to install the required modules.\n";
-}
 print "\n";
 print "In the next step, you need to build the Slic3r C++ library.\n";
 print "1) Create a build directory and change to it\n";
diff --git a/serial.txt b/serial.txt
deleted file mode 100644
index 7c6816d43..000000000
--- a/serial.txt
+++ /dev/null
@@ -1,642 +0,0 @@
-<< start
-<< echo: 3.1.1-RC5-150z
-<< echo: Last Updated: Feb  7 2018 15:28:23 | Author: (none, default config)
-<< Compiled: Feb  7 2018
-<< echo: Free Memory: 1777  PlannerBufferBytes: 1312
-<< echo:Hardcoded Default Settings Loaded
-<< adc_init
->> N0 M105*39
-<< CrashDetect ENABLED!

-<< tmc2130_init(), mode=NORMAL
-<< PAT9125_init:1
-<< FSensor 
-<< ENABLED
-<< echo:SD card ok
-<< echo:busy: processing
-<< Error:Line Number is not Last Line Number+1, Last Line: 0
-<< Resend: 1
-<< ok
->> N1 M107*36
-<< ok
->> N2 M115 U3.1.1-RC5*107
-<< ok
->> N3 M201 X1000 Y1000 Z200 E5000*10
-<< ok
->> N4 M203 X200 Y200 Z12 E120*8
-<< ok
->> N5 M204 S1250 T1250*39
-<< ok
->> N6 M205 X10 Y10 Z0.4 E2.5*63
-<< ok
->> N7 M205 S0 T0*36
-<< ok
->> N8 M83*16
-<< ok
->> N9 M104 S215*106
-<< ok
->> N10 M140 S60*98
-<< ok
->> N11 M190 S60*110
-<< T:158.08 E:0 B:57.1
-<< T:157.04 E:0 B:57.1
-<< T:156.77 E:0 B:56.9
-<< T:156.97 E:0 B:57.0
-<< T:158.14 E:0 B:57.0
-<< T:159.62 E:0 B:56.9
-<< T:161.25 E:0 B:56.8
-<< T:163.64 E:0 B:56.8
-<< T:165.94 E:0 B:56.7
-<< T:168.40 E:0 B:56.8
-<< T:170.79 E:0 B:56.7
-<< T:173.68 E:0 B:56.7
-<< T:175.53 E:0 B:56.6
-<< T:178.40 E:0 B:56.6
-<< T:180.94 E:0 B:56.5
-<< T:183.92 E:0 B:56.4
-<< T:186.73 E:0 B:56.4
-<< T:189.20 E:0 B:56.4
-<< T:191.32 E:0 B:56.3
-<< T:193.91 E:0 B:56.3
-<< T:196.38 E:0 B:56.2
-<< T:198.75 E:0 B:56.2
-<< T:201.65 E:0 B:56.3
-<< T:203.57 E:0 B:56.4
-<< T:206.38 E:0 B:56.5
-<< T:208.71 E:0 B:56.6
-<< T:211.04 E:0 B:56.6
-<< T:212.86 E:0 B:56.8
-<< T:214.84 E:0 B:57.0
-<< T:215.52 E:0 B:57.2
-<< T:215.78 E:0 B:57.4
-<< T:216.30 E:0 B:57.6
-<< T:216.51 E:0 B:57.7
-<< T:215.73 E:0 B:58.0
-<< T:215.47 E:0 B:58.2
-<< T:214.95 E:0 B:58.5
-<< T:214.22 E:0 B:58.7
-<< T:213.65 E:0 B:59.0
-<< T:212.24 E:0 B:59.2
-<< T:212.14 E:0 B:59.4
-<< T:212.03 E:0 B:59.7
-<< T:211.51 E:0 B:59.8
-<< ok
->> N12 M105*20
-<< ok T:211.0 /215.0 B:60.0 /60.0 T0:211.0 /215.0 @:60 B@:0 P:46.3 A:36.2
->> N13 M105*21
-<< ok T:211.0 /215.0 B:60.0 /60.0 T0:211.0 /215.0 @:60 B@:0 P:46.3 A:36.2
->> N14 M105*18
-<< ok T:211.0 /215.0 B:60.0 /60.0 T0:211.0 /215.0 @:60 B@:0 P:46.3 A:36.2
->> N15 M105*19
-<< ok T:211.0 /215.0 B:60.0 /60.0 T0:211.0 /215.0 @:60 B@:0 P:46.3 A:36.2
->> N16 M105*16
-<< ok T:211.0 /215.0 B:60.0 /60.0 T0:211.0 /215.0 @:60 B@:0 P:46.3 A:36.2
->> N17 M105*17
-<< ok T:211.0 /215.0 B:60.0 /60.0 T0:211.0 /215.0 @:60 B@:0 P:46.3 A:36.2
->> N18 M105*30
-<< ok T:211.0 /215.0 B:60.0 /60.0 T0:211.0 /215.0 @:60 B@:0 P:46.3 A:36.2
->> N19 M105*31
-<< ok T:211.0 /215.0 B:60.0 /60.0 T0:211.0 /215.0 @:60 B@:0 P:46.3 A:36.2
->> N20 M105*21
-<< ok T:211.0 /215.0 B:60.0 /60.0 T0:211.0 /215.0 @:60 B@:0 P:46.3 A:36.2
->> N21 M109 S215*93
-<< T:211.3 E:0 W:?
-<< T:211.8 E:0 W:?
-<< T:211.8 E:0 W:?
-<< T:212.1 E:0 W:?
-<< T:212.4 E:0 W:?
-<< T:213.3 E:0 W:?
-<< T:213.3 E:0 W:?
-<< T:213.8 E:0 W:?
-<< T:214.1 E:0 W:2
-<< T:214.1 E:0 W:1
-<< T:214.2 E:0 W:0
-<< ok
->> N22 M105*23
-<< ok T:214.3 /215.0 B:60.8 /60.0 T0:214.3 /215.0 @:20 B@:7 P:46.4 A:36.0
->> N23 M105*22
-<< ok T:214.3 /215.0 B:60.8 /60.0 T0:214.3 /215.0 @:20 B@:7 P:46.4 A:36.0
->> N24 G28 W*82
-<<   0 step=62 mscnt= 993
-<< tmc2130_goto_step 0 0 2 1000 
-<< step 61   mscnt = 984
-<<  dir=0 steps=-61
-<<  dir=1 steps=61
-<<  dir=0 steps=3
-<< cnt  2  step 61   mscnt = 986
-<< cnt  1  step 62   mscnt = 1005
-<< cnt  0  step 63   mscnt = 1021
-<< echo:busy: processing
-<< echo:busy: processing
-<<   0 step=34 mscnt= 547
-<< tmc2130_goto_step 1 0 2 1000 
-<< step 34   mscnt = 552
-<<  dir=1 steps=-34
-<<  dir=0 steps=34
-<<  dir=1 steps=30
-<< cnt 29  step 34   mscnt = 554
-<< cnt 28  step 35   mscnt = 572
-<< cnt 27  step 36   mscnt = 588
-<< cnt 26  step 37   mscnt = 604
-<< cnt 25  step 38   mscnt = 620
-<< cnt 24  step 39   mscnt = 637
-<< cnt 23  step 40   mscnt = 653
-<< cnt 22  step 41   mscnt = 668
-<< cnt 21  step 42   mscnt = 684
-<< cnt 20  step 43   mscnt = 701
-<< cnt 19  step 44   mscnt = 717
-<< cnt 18  step 45   mscnt = 733
-<< cnt 17  step 46   mscnt = 748
-<< cnt 16  step 47   mscnt = 765
-<< cnt 15  step 48   mscnt = 780
-<< cnt 14  step 49   mscnt = 796
-<< cnt 13  step 50   mscnt = 812
-<< cnt 12  step 51   mscnt = 828
-<< cnt 11  step 52   mscnt = 844
-<< cnt 10  step 53   mscnt = 860
-<< cnt  9  step 54   mscnt = 876
-<< cnt  8  step 55   mscnt = 893
-<< cnt  7  step 56   mscnt = 909
-<< cnt  6  step 57   mscnt = 925
-<< cnt  5  step 58   mscnt = 941
-<< cnt  4  step 59   mscnt = 956
-<< cnt  3  step 60   mscnt = 972
-<< cnt  2  step 61   mscnt = 988
-<< cnt  1  step 62   mscnt = 1005
-<< cnt  0  step 63   mscnt = 1021
-<< echo:busy: processing
-<< ok
->> N25 M105*16
-<< ok T:213.1 /215.0 B:60.8 /60.0 T0:213.1 /215.0 @:44 B@:35 P:46.5 A:35.6
->> N26 G80*37
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< ok
->> N27 M105*18
-<< ok T:214.8 /215.0 B:60.9 /60.0 T0:214.8 /215.0 @:31 B@:25 P:46.3 A:35.7
->> N28 M105*29
-<< ok T:214.8 /215.0 B:60.9 /60.0 T0:214.8 /215.0 @:31 B@:25 P:46.3 A:35.7
->> N29 M105*28
-<< ok T:214.8 /215.0 B:60.9 /60.0 T0:214.8 /215.0 @:31 B@:25 P:46.3 A:35.7
->> N30 M105*20
-<< ok T:214.8 /215.0 B:60.9 /60.0 T0:214.8 /215.0 @:31 B@:25 P:46.3 A:35.7
->> N31 M105*21
-<< ok T:214.8 /215.0 B:60.9 /60.0 T0:214.8 /215.0 @:31 B@:25 P:46.3 A:35.7
->> N32 M105*22
-<< ok T:214.8 /215.0 B:60.9 /60.0 T0:214.8 /215.0 @:31 B@:25 P:46.3 A:35.7
->> N33 G1 Y-3.0 F1000.0*24
-<< ok
->> N34 G92 E0.0*110
-<< ok
->> N35 G1 X60.0 E9.0  F1000.0*101
-<< ok
->> N36 G1 X100.0 E12.5  F1000.0*110
-<< ok
->> N37 G92 E0.0*109
-<< ok
->> N38 M221 S95*102
-<< ok
->> N39 M900 K30*120
-<< Invalid M code.
-<< ok
->> N40 G21*46
-<< ok
->> N41 G90*37
-<< ok
->> N42 M83*46
-<< ok
->> N43 G1 E-0.80000 F2100.00000*10
-<< ok
->> N44 G1 Z0.600 F10200.000*1
-<< ok
->> N45 G1 X112.437 Y93.991 F10200.000*106
-<< ok
->> N46 G1 Z0.200 F10200.000*7
-<< ok
->> N47 G1 E0.80000 F2100.00000*35
-<< ok
->> N48 M204 S1000*107
-<< ok
->> N49 G1 F1800*122
-<< ok
->> N50 G1 X112.930 Y93.183 E0.02968*106
-<< ok
->> N51 G1 X113.335 Y92.806 E0.01733*99
-<< ok
->> N52 G1 X113.810 Y92.516 E0.01745*97
-<< ok
->> N53 G1 X114.334 Y92.328 E0.01745*97
-<< ok
->> N54 G1 X114.885 Y92.248 E0.01745*96
-<< ok
->> N55 M105*23
-<< ok T:214.9 /215.0 B:60.8 /60.0 T0:214.9 /215.0 @:30 B@:28 P:46.2 A:35.7
->> N56 G1 X135.004 Y92.246 E0.63084*96
-<< ok
->> N57 G1 X136.005 Y92.436 E0.03195*101
-<< ok
->> N58 G1 X136.866 Y92.974 E0.03183*107
-<< ok
->> N59 G1 X137.473 Y93.788 E0.03183*111
-<< ok
->> N60 G1 X137.745 Y94.770 E0.03195*100
-<< ok
->> N61 G1 X137.753 Y115.086 E0.63700*88
-<< ok
->> N62 G1 X137.563 Y116.009 E0.02955*87
-<< ok
->> N63 G1 X137.070 Y116.817 E0.02968*88
-<< ok
->> N64 G1 X136.646 Y117.208 E0.01809*93
-<< ok
->> N65 G1 X136.149 Y117.503 E0.01809*88
-<< ok
->> N66 G1 X135.603 Y117.687 E0.01809*94
-<< ok
->> N67 G1 X135.029 Y117.754 E0.01809*94
-<< ok
->> N68 G1 X114.914 Y117.753 E0.63071*81
-<< ok
->> N69 G1 X113.991 Y117.563 E0.02955*83
-<< ok
->> N70 G1 X113.183 Y117.070 E0.02968*89
-<< ok
->> N71 G1 X112.792 Y116.646 E0.01809*88
-<< ok
->> N72 M105*18
-<< ok T:214.0 /215.0 B:60.8 /60.0 T0:214.0 /215.0 @:45 B@:16 P:46.2 A:35.5
->> N73 G1 X112.497 Y116.149 E0.01809*84
-<< ok
->> N74 G1 X112.313 Y115.603 E0.01809*82
-<< ok
->> N75 G1 X112.246 Y115.029 E0.01809*92
-<< ok
->> N76 G1 X112.247 Y94.914 E0.63071*98
-<< ok
->> N77 G1 X112.425 Y94.050 E0.02767*111
-<< ok
->> N78 G1 F8160*126
-<< ok
->> N79 G1 X112.930 Y93.183 E-0.24526*78
-<< ok
->> N80 G1 F8160*121
-<< ok
->> N81 G1 X113.335 Y92.806 E-0.13510*67
-<< ok
->> N82 G1 F8160*123
-<< ok
->> N83 G1 X113.810 Y92.516 E-0.13609*74
-<< ok
->> N84 G1 F8160*125
-<< ok
->> N85 G1 X114.334 Y92.328 E-0.13609*77
-<< ok
->> N86 G1 F8160*127
-<< ok
->> N87 G1 X114.769 Y92.265 E-0.10746*66
-<< ok
->> N88 G1 E-0.04000 F2100.00000*1
-<< ok
->> N89 G1 Z0.800 F10200.000*14
-<< ok
->> N90 G1 X113.989 Y92.849 F10200.000*110
-<< ok
->> N91 G1 Z0.200 F10200.000*13
-<< ok
->> N92 G1 E0.80000 F2100.00000*43
-<< ok
->> N93 G1 F1800*125
-<< ok
->> N94 G1 X114.911 Y92.625 E0.02977*99
-<< ok
->> N95 G1 X135.004 Y92.623 E0.62999*108
-<< ok
->> N96 G1 X135.871 Y92.788 E0.02767*108
-<< ok
->> N97 G1 X136.617 Y93.258 E0.02767*105
-<< ok
->> N98 G1 X137.141 Y93.968 E0.02767*107
-<< ok
->> N99 G1 X137.371 Y94.824 E0.02778*107
-<< ok
->> N100 G1 X137.376 Y115.065 E0.63464*97
-<< ok
->> N101 G1 X137.209 Y115.878 E0.02602*104
-<< ok
->> N102 G1 X136.773 Y116.584 E0.02602*111
-<< ok
->> N103 G1 X136.407 Y116.916 E0.01550*110
-<< ok
->> N104 G1 X135.980 Y117.166 E0.01550*102
-<< ok
->> N105 G1 X135.511 Y117.321 E0.01550*98
-<< ok
->> N106 G1 X135.020 Y117.377 E0.01550*101
-<< ok
->> N107 G1 X114.935 Y117.376 E0.62975*101
-<< ok
->> N108 G1 X114.122 Y117.209 E0.02602*100
-<< ok
->> N109 G1 X113.416 Y116.773 E0.02602*105
-<< ok
->> N110 G1 X113.084 Y116.407 E0.01550*105
-<< ok
->> N111 G1 X112.834 Y115.980 E0.01550*107
-<< ok
->> N112 G1 X112.679 Y115.511 E0.01550*107
-<< ok
->> N113 G1 X112.623 Y115.020 E0.01550*98
-<< ok
->> N114 G1 X112.624 Y94.935 E0.62975*89
-<< ok
->> N115 G1 X112.791 Y94.122 E0.02602*80
-<< ok
->> N116 G1 X113.227 Y93.416 E0.02602*95
-<< ok
->> N117 G1 X113.940 Y92.885 E0.02789*81
-<< ok
->> N118 G1 F8160*73
-<< ok
->> N119 G1 X114.911 Y92.625 E-0.24574*113
-<< ok
->> N120 G1 F8160*66
-<< ok
->> N121 G1 X117.015 Y92.624 E-0.51426*113
-<< ok
->> N122 G1 E-0.04000 F2100.00000*48
-<< ok
->> N123 G1 Z0.800 F10200.000*63
-<< ok
->> N124 G1 X115.587 Y95.587 F10200.000*92
-<< ok
->> N125 M105*33
-<< ok T:214.2 /215.0 B:60.7 /60.0 T0:214.2 /215.0 @:41 B@:24 P:46.2 A:36.0
->> N126 G1 Z0.200 F10200.000*48
-<< ok
->> N127 G1 E0.80000 F2100.00000*20
-<< ok
->> N128 G1 F1800*76
-<< ok
->> N129 G1 X134.413 Y95.587 E0.59027*87
-<< ok
->> N130 G1 X134.413 Y114.413 E0.59027*107
-<< ok
->> N131 G1 X115.587 Y114.413 E0.59027*101
-<< ok
->> N132 G1 X115.587 Y95.647 E0.58839*91
-<< ok
->> N133 G1 X115.210 Y95.210 F10200.000*90
-<< ok
->> N134 G1 F1800*65
-<< ok
->> N135 G1 X134.790 Y95.210 E0.61392*93
-<< ok
->> N136 G1 X134.790 Y114.790 E0.61392*107
-<< ok
->> N137 G1 X115.210 Y114.790 E0.61392*100
-<< ok
->> N138 G1 X115.210 Y95.270 E0.61204*86
-<< ok
->> N139 G1 X115.596 Y95.314 F10200.000*92
-<< ok
->> N140 G1 F8160*68
-<< ok
->> N141 G1 X118.319 Y95.260 E-0.76000*113
-<< ok
->> N142 G1 E-0.04000 F2100.00000*54
-<< ok
->> N143 G1 Z0.800 F10200.000*57
-<< ok
->> N144 G1 X115.700 Y113.527 F10200.000*98
-<< ok
->> N145 G1 Z0.200 F10200.000*53
-<< ok
->> N146 G1 E0.80000 F2100.00000*19
-<< ok
->> N147 G1 F1800*69
-<< ok
->> N148 G1 X116.303 Y114.130 E0.02708*98
-<< ok
->> N149 G1 X116.843 Y114.130 E0.01716*96
-<< ok
->> N150 G1 X115.870 Y113.157 E0.04372*110
-<< ok
->> N151 G1 X115.870 Y112.617 E0.01716*110
-<< ok
->> N152 G1 X117.383 Y114.130 E0.06799*108
-<< ok
->> N153 G1 X117.924 Y114.130 E0.01716*106
-<< ok
->> N154 M105*39
-<< ok T:215.1 /215.0 B:60.7 /60.0 T0:215.1 /215.0 @:29 B@:12 P:46.2 A:35.7
->> N155 G1 X115.870 Y112.076 E0.09225*102
-<< ok
->> N156 G1 X115.870 Y111.536 E0.01716*106
-<< ok
->> N157 G1 X118.464 Y114.130 E0.11652*104
-<< ok
->> N158 G1 X119.004 Y114.130 E0.01716*100
-<< ok
->> N159 G1 X115.870 Y110.996 E0.14079*104
-<< ok
->> N160 G1 X115.870 Y110.456 E0.01716*105
-<< ok
->> N161 G1 X119.544 Y114.130 E0.16505*105
-<< ok
->> N162 G1 X120.085 Y114.130 E0.01716*110
-<< ok
->> N163 G1 X115.870 Y109.915 E0.18932*104
-<< ok
->> N164 G1 X115.870 Y109.375 E0.01716*99
-<< ok
->> N165 G1 X120.625 Y114.130 E0.21358*105
-<< ok
->> N166 G1 X121.165 Y114.130 E0.01716*100
-<< ok
->> N167 G1 X115.870 Y108.835 E0.23785*100
-<< ok
->> N168 G1 X115.870 Y108.295 E0.01716*97
-<< ok
->> N169 G1 X121.705 Y114.130 E0.26212*111
-<< ok
->> N170 G1 X122.245 Y114.130 E0.01716*97
-<< ok
->> N171 G1 X115.870 Y107.755 E0.28638*105
-<< ok
->> N172 G1 X115.870 Y107.214 E0.01716*108
-<< ok
->> N173 G1 X122.786 Y114.130 E0.31065*104
-<< ok
->> N174 G1 X123.326 Y114.130 E0.01716*96
-<< ok
->> N175 G1 X115.870 Y106.674 E0.33491*101
-<< ok
->> N176 G1 X115.870 Y106.134 E0.01716*104
-<< ok
->> N177 G1 X123.866 Y114.130 E0.35918*107
-<< ok
->> N178 G1 X124.406 Y114.130 E0.01716*110
-<< ok
->> N179 G1 X115.870 Y105.594 E0.38344*99
-<< ok
->> N180 G1 X115.870 Y105.054 E0.01716*101
-<< ok
->> N181 G1 X124.946 Y114.130 E0.40771*101
-<< ok
->> N182 G1 X125.487 Y114.130 E0.01716*99
-<< ok
->> N183 G1 X115.870 Y104.513 E0.43198*103
-<< ok
->> N184 G1 X115.870 Y103.973 E0.01716*107
-<< ok
->> N185 G1 X126.027 Y114.130 E0.45624*105
-<< ok
->> N186 G1 X126.567 Y114.130 E0.01716*107
-<< ok
->> N187 G1 X115.870 Y103.433 E0.48051*104
-<< ok
->> N188 G1 X115.870 Y102.893 E0.01716*105
-<< ok
->> N189 G1 X127.107 Y114.130 E0.50477*103
-<< ok
->> N190 M105*47
-<< ok T:215.3 /215.0 B:60.7 /60.0 T0:215.3 /215.0 @:28 B@:18 P:46.3 A:35.5
->> N191 G1 X127.648 Y114.130 E0.01716*98
-<< ok
->> N192 G1 X115.870 Y102.352 E0.52904*111
-<< ok
->> N193 G1 X115.870 Y101.812 E0.01716*105
-<< ok
->> N194 G1 X128.188 Y114.130 E0.55330*98
-<< ok
->> N195 G1 X128.728 Y114.130 E0.01716*110
-<< ok
->> N196 G1 X115.870 Y101.272 E0.57757*102
-<< ok
->> N197 G1 X115.870 Y100.732 E0.01716*97
-<< ok
->> N198 G1 X129.268 Y114.130 E0.60184*105
-<< ok
->> N199 G1 X129.808 Y114.130 E0.01716*110
-<< ok
->> N200 G1 X115.870 Y100.192 E0.62610*98
-<< ok
->> N201 G1 X115.870 Y99.651 E0.01716*88
-<< ok
->> N202 G1 X130.349 Y114.130 E0.65037*111
-<< ok
->> N203 G1 X130.889 Y114.130 E0.01716*111
-<< ok
->> N204 G1 X115.870 Y99.111 E0.67463*95
-<< ok
->> N205 G1 X115.870 Y98.571 E0.01716*92
-<< ok
->> N206 G1 X131.429 Y114.130 E0.69890*98
-<< ok
->> N207 G1 X131.969 Y114.130 E0.01716*101
-<< ok
->> N208 M105*45
-<< ok T:214.7 /215.0 B:60.6 /60.0 T0:214.7 /215.0 @:38 B@:12 P:46.2 A:35.9
->> N209 G1 X115.870 Y98.031 E0.72316*81
-<< ok
->> N210 G1 X115.870 Y97.491 E0.01716*88
-<< ok
->> N211 G1 X132.509 Y114.130 E0.74743*105
-<< ok
->> N212 G1 X133.050 Y114.130 E0.01716*96
-<< ok
->> N213 M105*39
-<< ok T:215.1 /215.0 B:60.4 /60.0 T0:215.1 /215.0 @:32 B@:39 P:46.3 A:35.8
->> N214 M105*32
-<< ok T:214.6 /215.0 B:60.5 /60.0 T0:214.6 /215.0 @:39 B@:14 P:46.3 A:36.3
->> N215 G28*21
-<< echo:busy: processing
-<<   0 step=61 mscnt= 989
-<< tmc2130_goto_step 0 0 2 1000 
-<< step 61   mscnt = 984
-<<  dir=0 steps=-61
-<<  dir=1 steps=61
-<<  dir=0 steps=3
-<< cnt  2  step 61   mscnt = 986
-<< cnt  1  step 62   mscnt = 1004
-<< cnt  0  step 63   mscnt = 1021
-<< echo:busy: processing
-<< echo:busy: processing
-<<   0 step=34 mscnt= 547
-<< tmc2130_goto_step 1 0 2 1000 
-<< step 34   mscnt = 552
-<<  dir=1 steps=-34
-<<  dir=0 steps=34
-<<  dir=1 steps=30
-<< cnt 29  step 34   mscnt = 554
-<< cnt 28  step 35   mscnt = 573
-<< cnt 27  step 36   mscnt = 589
-<< cnt 26  step 37   mscnt = 604
-<< cnt 25  step 38   mscnt = 621
-<< cnt 24  step 39   mscnt = 636
-<< cnt 23  step 40   mscnt = 652
-<< cnt 22  step 41   mscnt = 668
-<< cnt 21  step 42   mscnt = 684
-<< cnt 20  step 43   mscnt = 701
-<< cnt 19  step 44   mscnt = 717
-<< cnt 18  step 45   mscnt = 733
-<< cnt 17  step 46   mscnt = 749
-<< cnt 16  step 47   mscnt = 765
-<< cnt 15  step 48   mscnt = 781
-<< cnt 14  step 49   mscnt = 796
-<< cnt 13  step 50   mscnt = 812
-<< cnt 12  step 51   mscnt = 829
-<< cnt 11  step 52   mscnt = 844
-<< cnt 10  step 53   mscnt = 860
-<< cnt  9  step 54   mscnt = 876
-<< cnt  8  step 55   mscnt = 893
-<< cnt  7  step 56   mscnt = 909
-<< cnt  6  step 57   mscnt = 925
-<< cnt  5  step 58   mscnt = 941
-<< cnt  4  step 59   mscnt = 957
-<< cnt  3  step 60   mscnt = 973
-<< cnt  2  step 61   mscnt = 989
-<< cnt  1  step 62   mscnt = 1005
-<< cnt  0  step 63   mscnt = 1021
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< echo:busy: processing
-<< ok
->> N216 M105*34
-<< ok T:214.8 /215.0 B:60.2 /60.0 T0:214.8 /215.0 @:33 B@:27 P:46.0 A:36.1
->> N217 M105*35
-<< ok T:214.8 /215.0 B:60.2 /60.0 T0:214.8 /215.0 @:33 B@:27 P:46.0 A:36.1
->> N218 M105*44
-<< ok T:214.9 /215.0 B:60.1 /60.0 T0:214.9 /215.0 @:31 B@:33 P:45.9 A:36.1
->> N219 M105*45
-<< ok T:214.9 /215.0 B:60.1 /60.0 T0:214.9 /215.0 @:31 B@:33 P:45.9 A:36.1
->> N220 M105*39
-<< ok T:214.9 /215.0 B:60.1 /60.0 T0:214.9 /215.0 @:31 B@:33 P:45.9 A:36.1
->> N221 M105*38
-<< ok T:214.9 /215.0 B:60.1 /60.0 T0:214.9 /215.0 @:31 B@:33 P:45.9 A:36.1
->> N222 M105*37
-<< ok T:214.9 /215.0 B:60.1 /60.0 T0:214.9 /215.0 @:31 B@:33 P:45.9 A:36.1
->> N223 M105*36
-<< ok T:214.5 /215.0 B:60.1 /60.0 T0:214.5 /215.0 @:38 B@:31 P:46.0 A:36.3
-DISCONNECTED
diff --git a/utils/amf-to-stl.pl b/utils/amf-to-stl.pl
deleted file mode 100755
index 802fd9a53..000000000
--- a/utils/amf-to-stl.pl
+++ /dev/null
@@ -1,54 +0,0 @@
-#!/usr/bin/perl
-# This script converts an AMF file to STL
-
-use strict;
-use warnings;
-
-BEGIN {
-    use FindBin;
-    use lib "$FindBin::Bin/../lib";
-    use local::lib "$FindBin::Bin/../local-lib";
-}
-
-use File::Basename qw(basename);
-use Getopt::Long qw(:config no_auto_abbrev);
-use Slic3r;
-$|++;
-
-# Convert all parameters from the local code page to utf8 on Windows.
-@ARGV = map Slic3r::decode_path($_), @ARGV if $^O eq 'MSWin32';
-
-my %opt = ();
-{
-    my %options = (
-        'help'                  => sub { usage() },
-        'ascii'                 => \$opt{ascii},
-    );
-    GetOptions(%options) or usage(1);
-    $ARGV[0] or usage(1);
-}
-
-{
-    my $model = Slic3r::Model->load_amf($ARGV[0]);
-    my $output_file = $ARGV[0];
-    $output_file =~ s/\.[aA][mM][fF](?:\.[xX][mM][lL])?$/\.stl/;
-    
-    printf "Writing to %s\n", basename($output_file);
-    $model->store_stl($output_file, binary => !$opt{ascii});
-}
-
-
-sub usage {
-    my ($exit_code) = @_;
-    
-    print <<"EOF";
-Usage: amf-to-stl.pl [ OPTIONS ] file.amf
-
-    --help              Output this usage screen and exit
-    --ascii             Generate ASCII STL files (default: binary)
-    
-EOF
-    exit ($exit_code || 0);
-}
-
-__END__
diff --git a/utils/dump-stl.pl b/utils/dump-stl.pl
deleted file mode 100644
index eee3c73dc..000000000
--- a/utils/dump-stl.pl
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/usr/bin/perl
-# This script dumps a STL file into Perl syntax for writing tests
-# or dumps a test model into a STL file
-
-use strict;
-use warnings;
-
-BEGIN {
-    use FindBin;
-    use lib "$FindBin::Bin/../lib";
-    use local::lib "$FindBin::Bin/../local-lib";
-}
-
-use Slic3r;
-use Slic3r::Test;
-use File::Basename qw(basename);
-$|++;
-
-$ARGV[0] or usage(1);
-
-if (-e $ARGV[0]) {
-    my $model = Slic3r::Model->load_stl($ARGV[0], basename($ARGV[0]));
-    $model->objects->[0]->add_instance(offset => Slic3r::Pointf->new(0,0));
-    my $mesh = $model->mesh;
-    $mesh->repair;
-    printf "VERTICES = %s\n", join ',', map "[$_->[0],$_->[1],$_->[2]]", @{$mesh->vertices};
-    printf "FACETS = %s\n", join ',', map "[$_->[0],$_->[1],$_->[2]]", @{$mesh->facets};
-    exit 0;
-} elsif ((my $model = Slic3r::Test::model($ARGV[0]))) {
-    $ARGV[1] or die "Missing writeable destination as second argument\n";
-    $model->store_stl($ARGV[1], 1);
-    printf "Model $ARGV[0] written to $ARGV[1]\n";
-    exit 0;
-} else {
-    die "No such model exists\n";
-}
-
-
-sub usage {
-    my ($exit_code) = @_;
-    
-    print <<"EOF";
-Usage: dump-stl.pl file.stl
-       dump-stl.pl modelname file.stl
-EOF
-    exit ($exit_code || 0);
-}
-
-__END__
diff --git a/utils/modifier_helpers/layer_generator.jscad b/utils/modifier_helpers/layer_generator.jscad
deleted file mode 100644
index fc193a53f..000000000
--- a/utils/modifier_helpers/layer_generator.jscad
+++ /dev/null
@@ -1,19 +0,0 @@
-// title: Layer_generator
-// written by: Joseph Lenox
-// Used for generating cubes oriented about the center 
-// for making simple modifier meshes.
-
-var width = 100;
-var layer_height = 0.3;
-var z = 30;
-function main() {
-    
-    return cube(size=[width,width,layer_height], center=true).translate([0,0,z]);    
-}
-function getParameterDefinitions() {
-  return [
-      { name: 'width', type: 'float', initial: 100, caption: "Width of the cube:" },
-      { name: 'layer_height', type: 'float', initial: 0.3, caption: "Layer height used:" },
-      { name: 'z', type: 'float', initial: 0, caption: "Z:" }
-  ];
-}
diff --git a/utils/modifier_helpers/solid_layers.scad b/utils/modifier_helpers/solid_layers.scad
deleted file mode 100644
index 378294949..000000000
--- a/utils/modifier_helpers/solid_layers.scad
+++ /dev/null
@@ -1,24 +0,0 @@
-// Used to generate a modifier mesh to do something every few layers. 
-// Load into OpenSCAD, tweak the variables below, export as STL and load as 
-// a modifier mesh. Then change settings for the modifier mesh.
-
-// Written by Joseph Lenox; in public domain.
-
-layer_height = 0.3; // set to layer height in slic3r for "best" results.
-number_of_solid_layers = 2;
-N = 4; // N > number_of_solid_layers or else the whole thing will be solid
-model_height = 300.0;
-model_width = 300.0; // these two should be at least as big as the model 
-model_depth = 300.0; // but bigger isn't a problem
-initial_offset=0; // don't generate below this
-
-position_on_bed=[0,0,0]; // in case you need to move it around
-
-// don't touch below unless you know what you are doing.
-simple_layers = round(model_height/layer_height);
-translate(position_on_bed)
-  for (i = [initial_offset:N:simple_layers]) {
-    translate([0,0,i*layer_height])
-      translate([0,0,(layer_height*number_of_solid_layers)/2])
-      cube([model_width,model_depth,layer_height*number_of_solid_layers], center=true);
-  }
diff --git a/utils/pdf-slices.pl b/utils/pdf-slices.pl
deleted file mode 100755
index ca61da08e..000000000
--- a/utils/pdf-slices.pl
+++ /dev/null
@@ -1,106 +0,0 @@
-#!/usr/bin/perl
-# This script exports model slices to a PDF file as solid fills, one per page
-
-use strict;
-use warnings;
-
-BEGIN {
-    use FindBin;
-    use lib "$FindBin::Bin/../lib";
-    use local::lib "$FindBin::Bin/../local-lib";
-}
-
-use Getopt::Long qw(:config no_auto_abbrev);
-use PDF::API2;
-use Slic3r;
-use Slic3r::Geometry qw(scale unscale X Y);
-
-use constant mm => 25.4 / 72;
-
-my %opt = ();
-{
-    my %options = (
-        'help'                  => sub { usage() },
-        'output|o=s'            => \$opt{output_file},
-        'layer-height|h=f'      => \$opt{layer_height},
-    );
-    GetOptions(%options) or usage(1);
-    $ARGV[0] or usage(1);
-}
-
-{
-    # prepare config
-    my $config = Slic3r::Config->new;
-    $config->set('layer_height', $opt{layer_height}) if $opt{layer_height};
-    
-    # read model
-    my $model = Slic3r::Model->read_from_file(my $input_file = $ARGV[0]);
-    
-    # init print object
-    my $sprint = Slic3r::Print::Simple->new(
-        print_center => [0,0],
-    );
-    $sprint->apply_config($config);
-    $sprint->set_model($model);
-    my $print = $sprint->_print;
-    
-    # compute sizes
-    my $bb = $print->bounding_box;
-    my $size = $bb->size;
-    my $mediabox = [ map unscale($_)/mm, @{$size} ];
-    
-    # init PDF
-    my $pdf = PDF::API2->new();
-    my $color = $pdf->colorspace_separation('RDG_GLOSS', 'darkblue');
-    
-    # slice and build output geometry
-    $_->slice for @{$print->objects};
-    foreach my $object (@{ $print->objects }) {
-        my $shift = $object->_shifted_copies->[0];
-        $shift->translate(map $_/2, @$size);
-        
-        foreach my $layer (@{ $object->layers }) {
-            my $page = $pdf->page();
-            $page->mediabox(@$mediabox);
-            my $content = $page->gfx;
-            $content->fillcolor($color, 1);
-        
-            foreach my $expolygon (@{$layer->slices}) {
-                $expolygon = $expolygon->clone;
-                $expolygon->translate(@$shift);
-                $content->poly(map { unscale($_->x)/mm, unscale($_->y)/mm } @{$expolygon->contour});  #)
-                $content->close;
-                foreach my $hole (@{$expolygon->holes}) {
-                    $content->poly(map { unscale($_->x)/mm, unscale($_->y)/mm } @$hole);  #)
-                    $content->close;
-                }
-                $content->fill;  # non-zero by default
-            }
-        }
-    }
-    
-    # write output file
-    my $output_file = $opt{output_file};
-    if (!defined $output_file) {
-        $output_file = $input_file;
-        $output_file =~ s/\.(?:[sS][tT][lL])$/.pdf/;
-    }
-    $pdf->saveas($output_file);
-    printf "PDF file written to %s\n", $output_file;
-}
-
-sub usage {
-    my ($exit_code) = @_;
-    
-    print <<"EOF";
-Usage: pdf-slices.pl [ OPTIONS ] file.stl
-
-    --help              Output this usage screen and exit
-    --output, -o        Write to the specified file
-    --layer-height, -h  Use the specified layer height
-    
-EOF
-    exit ($exit_code || 0);
-}
-
-__END__
diff --git a/utils/post-processing/decimate.pl b/utils/post-processing/decimate.pl
deleted file mode 100755
index 9e2938c5f..000000000
--- a/utils/post-processing/decimate.pl
+++ /dev/null
@@ -1,53 +0,0 @@
-#!/usr/bin/perl -i~
-
-use strict;
-use warnings;
-
-my %lastpos = (X => 10000, Y => 10000, Z => 10000, E => 10000, F => 10000);
-my %pos = (X => 0, Y => 0, Z => 0, E => 0, F => 0);
-
-my $mindist = 0.33;
-
-my $mindistz = 0.005;
-
-my $mindistsq = $mindist * $mindist;
-
-sub dist {
-	my $sq = 0;
-	for (qw/X Y Z E/) {
-		$sq += ($pos{$_} - $lastpos{$_}) ** 2;
-	}
-	return $sq;
-}
-
-while (<>) {
-	if (m#\bG[01]\b#) {
-		while (m#([XYZEF])(\d+(\.\d+)?)#gi) {
-			$pos{uc $1} = $2;
-		}
-		if (
-				(
-					/X/ &&
-					/Y/ &&
-					(dist() >= $mindistsq)
-				) ||
-				(abs($pos{Z} - $lastpos{Z}) > $mindistz) ||
-				(!/X/ || !/Y/)
-			) {
-			print;
-			%lastpos = %pos;
-		}
-		elsif (($pos{F} - $lastpos{F}) != 0) {
-			printf "G1 F%s\n", $pos{F};
-			$lastpos{F} = $pos{F};
-		}
-	}
-	else {
-		if (m#\bG92\b#) {
-			while (m#([XYZEF])(\d+(\.\d+)?)#gi) {
-				$lastpos{uc $1} = $2;
-			}
-		}
-		print;
-	}
-}
diff --git a/utils/post-processing/fan_kickstart.py b/utils/post-processing/fan_kickstart.py
deleted file mode 100644
index 9ee1bc0a4..000000000
--- a/utils/post-processing/fan_kickstart.py
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/python
-import sys
-import re
-
-sea = re.compile("M106 S[1-9]+[0-9]*")
-rep = re.compile("M106 S255\n\g<0>")
-out = open(sys.argv[1]+"_fixed", 'w')
-  with open(sys.argv[1]) as f:
-    for r in f:
-      if re.search(sea, r) is not None:
-        out.write(re.sub(sea,"M106 S255\n\g<0>",r))
-      else:
-        out.write(r)
diff --git a/utils/post-processing/filament-weight.pl b/utils/post-processing/filament-weight.pl
deleted file mode 100755
index 5ed836461..000000000
--- a/utils/post-processing/filament-weight.pl
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/usr/bin/perl -i
-#
-# Post-processing script for adding weight and cost of required
-# filament to G-code output.
-
-use strict;
-use warnings;
-
-# example densities, adjust according to filament specifications
-use constant PLA_P => 1.25; # g/cm3
-use constant ABS_P => 1.05; # g/cm3
-
-# example costs, adjust according to filament prices
-use constant PLA_PRICE => 0.05; # EUR/g
-use constant ABS_PRICE => 0.02; # EUR/g
-use constant CURRENCY => "EUR";
-
-while (<>) {
-    if (/^(;\s+filament\s+used\s+=\s.*\((\d+(?:\.\d+)?)cm3)\)/) {
-        my $pla_weight = $2 * PLA_P;
-        my $abs_weight = $2 * ABS_P;
-
-        my $pla_costs = $pla_weight * PLA_PRICE;
-        my $abs_costs = $abs_weight * ABS_PRICE;
-
-        printf "%s or %.2fg PLA/%.2fg ABS)\n", $1, $pla_weight, $abs_weight;
-        printf "; costs = %s %.2f (PLA), %s %.2f (ABS)\n", CURRENCY, $pla_costs, CURRENCY, $abs_costs;
-    } else {
-        print;
-    }
-}
diff --git a/utils/post-processing/flowrate.pl b/utils/post-processing/flowrate.pl
deleted file mode 100755
index f29d2312d..000000000
--- a/utils/post-processing/flowrate.pl
+++ /dev/null
@@ -1,53 +0,0 @@
-#!/usr/bin/perl -i
-
-#
-# Post-processing script for calculating flow rate for each move
-
-use strict;
-use warnings;
-
-use constant PI => 3.141592653589793238;
-my @filament_diameter = split /,/, $ENV{SLIC3R_FILAMENT_DIAMETER};
-
-my $E = 0;
-my $T = 0;
-my ($X, $Y, $F);
-while (<>) {
-    if (/^G1.*? F([0-9.]+)/) {
-        $F = $1;
-    }
-    if (/^G1 X([0-9.]+) Y([0-9.]+).*? E([0-9.]+)/) {
-        my ($x, $y, $e) = ($1, $2, $3);
-        my $e_length = $e - $E;
-        if ($e_length > 0 && defined $X && defined $Y) {
-            my $dist = sqrt( (($x-$X)**2) + (($y-$Y)**2) );
-            if ($dist > 0) {
-                my $mm_per_mm   = $e_length / $dist;  # dE/dXY
-                my $mm3_per_mm  = ($filament_diameter[$T] ** 2) * PI/4 * $mm_per_mm;
-                my $vol_speed   = $F/60 * $mm3_per_mm;
-                my $comment = sprintf ' ; dXY = %.3fmm ; dE = %.5fmm ; dE/XY = %.5fmm/mm; volspeed = %.5fmm\x{00B3}/sec',
-                    $dist, $e_length, $mm_per_mm, $vol_speed;
-                s/(\R+)/$comment$1/;
-            }
-        }
-        $E = $e;
-        $X = $x;
-        $Y = $y;
-    }
-    if (/^G1 X([0-9.]+) Y([0-9.]+)/) {
-        $X = $1;
-        $Y = $2;
-    }
-    if (/^G1.*? E([0-9.]+)/) {
-        $E = $1;
-    }
-    if (/^G92 E0/) {
-        $E = 0;
-    }
-    if (/^T(\d+)/) {
-        $T = $1;
-    }
-    print;
-}
-
-__END__
diff --git a/utils/post-processing/prowl-notification.pl b/utils/post-processing/prowl-notification.pl
deleted file mode 100755
index 5a5e1ca53..000000000
--- a/utils/post-processing/prowl-notification.pl
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/usr/bin/perl
-#
-# Example post-processing script for sending a Prowl notification upon
-# completion. See http://www.prowlapp.com/ for more info.
-
-use strict;
-use warnings;
-
-use File::Basename qw(basename);
-use WebService::Prowl;
-
-# set your Prowl API key here
-my $apikey = '';
-
-my $file = basename $ARGV[0];
-my $prowl = WebService::Prowl->new(apikey => $apikey);
-my %options = (application => 'Slic3r',
-               event =>'Slicing Done!',
-               description => "$file was successfully generated");
-printf STDERR "Error sending Prowl notification: %s\n", $prowl->error
-    unless $prowl->add(%options);
diff --git a/utils/post-processing/z-every-line.pl b/utils/post-processing/z-every-line.pl
deleted file mode 100755
index aaf57e172..000000000
--- a/utils/post-processing/z-every-line.pl
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/usr/bin/perl -i
-
-use strict;
-use warnings;
-
-my $z = 0;
-
-# read stdin and any/all files passed as parameters one line at a time
-while (<>) {
-	# if we find a Z word, save it
-	$z = $1 if /Z\s*(\d+(\.\d+)?)/;
-
-	# if we don't have Z, but we do have X and Y
-	if (!/Z/ && /X/ && /Y/ && $z > 0) {
-		# chop off the end of the line (incl. comments), saving chopped section in $1
-		s/\s*([\r\n\;\(].*)/" Z$z $1"/es;
-		# print start of line, insert our Z value then re-add the chopped end of line
-		# print "$_ Z$z $1";
-	}
-	#else {
-		# nothing interesting, print line as-is
-	print or die $!;
-	#}
-}
diff --git a/utils/send-gcode.pl b/utils/send-gcode.pl
deleted file mode 100644
index 0b803baa6..000000000
--- a/utils/send-gcode.pl
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/usr/bin/env perl
-
-use strict;
-use warnings;
-
-BEGIN {
-    use FindBin;
-    use lib "$FindBin::Bin/../lib";
-    use local::lib "$FindBin::Bin/../local-lib";
-}
-
-use Slic3r;
-
-die "Usage: send-gcode.pl SERIALPORT BAUDRATE GCODE_FILE\n"
-    if @ARGV != 3;
-
-my $serial = Slic3r::GCode::Sender->new($ARGV[0], $ARGV[1]);
-1 until $serial->is_connected;
-print "Connected to printer\n";
-
-{
-    local $/ = "\n";
-    Slic3r::open(\my $fh, '<', $ARGV[2])
-        or die "Unable to open $ARGV[2]: $!\n";
-    binmode $fh, ':utf8';
-    while (<$fh>) {
-        $serial->send($_);
-    }
-    close $fh;
-}
-
-while ((my $queue_size = $serial->queue_size) > 0) {
-    printf "Queue size: %d\n", $queue_size;
-}
-$serial->disconnect;
-
-__END__
diff --git a/utils/split_stl.pl b/utils/split_stl.pl
deleted file mode 100755
index 56217de4b..000000000
--- a/utils/split_stl.pl
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/usr/bin/perl
-# This script splits a STL plate into individual files
-
-use strict;
-use warnings;
-
-BEGIN {
-    use FindBin;
-    use lib "$FindBin::Bin/../lib";
-    use local::lib "$FindBin::Bin/../local-lib";
-}
-
-use File::Basename qw(basename);
-use Getopt::Long qw(:config no_auto_abbrev);
-use Slic3r;
-$|++;
-
-my %opt = ();
-{
-    my %options = (
-        'help'                  => sub { usage() },
-        'ascii'                 => \$opt{ascii},
-    );
-    GetOptions(%options) or usage(1);
-    $ARGV[0] or usage(1);
-}
-
-{
-    my $model = Slic3r::Model->load_stl($ARGV[0], basename($ARGV[0]));
-    my $basename = $ARGV[0];
-    $basename =~ s/\.[sS][tT][lL]$//;
-    
-    my $part_count = 0;
-    my $mesh = $model->objects->[0]->volumes->[0]->mesh;
-    foreach my $new_mesh (@{$mesh->split}) {
-        $new_mesh->repair;
-        
-        my $new_model = Slic3r::Model->new;
-        $new_model
-            ->add_object()
-            ->add_volume(mesh => $new_mesh);
-        
-        $new_model->add_default_instances;
-        
-        my $output_file = sprintf '%s_%02d.stl', $basename, ++$part_count;
-        printf "Writing to %s\n", basename($output_file);
-        $new_model->store_stl($output_file, !$opt{ascii});
-    }
-}
-
-
-sub usage {
-    my ($exit_code) = @_;
-    
-    print <<"EOF";
-Usage: split_stl.pl [ OPTIONS ] file.stl
-
-    --help              Output this usage screen and exit
-    --ascii             Generate ASCII STL files (default: binary)
-    
-EOF
-    exit ($exit_code || 0);
-}
-
-__END__
diff --git a/utils/stl-to-amf.pl b/utils/stl-to-amf.pl
deleted file mode 100755
index bb88b2161..000000000
--- a/utils/stl-to-amf.pl
+++ /dev/null
@@ -1,74 +0,0 @@
-#!/usr/bin/perl
-# This script converts a STL file to AMF
-
-use strict;
-use warnings;
-
-BEGIN {
-    use FindBin;
-    use lib "$FindBin::Bin/../lib";
-    use local::lib "$FindBin::Bin/../local-lib";
-}
-
-use File::Basename qw(basename);
-use Getopt::Long qw(:config no_auto_abbrev);
-use Slic3r;
-$|++;
-
-my %opt = ();
-{
-    my %options = (
-        'help'                  => sub { usage() },
-        'distinct-materials'    => \$opt{distinct_materials},
-    );
-    GetOptions(%options) or usage(1);
-    $ARGV[0] or usage(1);
-}
-
-{
-    my @models = map Slic3r::Model->load_stl($_, basename($_)), @ARGV;
-    my $output_file = $ARGV[0];
-    $output_file =~ s/\.[sS][tT][lL]$/.amf.xml/;
-    
-    my $new_model = Slic3r::Model->new;
-    
-    if ($opt{distinct_materials} && @models > 1) {
-        my $new_object = $new_model->add_object;
-        for my $m (0 .. $#models) {
-            my $model = $models[$m];
-            $new_model->set_material($m, { Name => basename($ARGV[$m]) });
-            $new_object->add_volume(
-                material_id => $m,
-                facets      => $model->objects->[0]->volumes->[0]->facets,
-                vertices    => $model->objects->[0]->vertices,
-            );
-        }
-    } else {
-        foreach my $model (@models) {
-            $new_model->add_object(
-                vertices => $model->objects->[0]->vertices,
-            )->add_volume(
-                facets => $model->objects->[0]->volumes->[0]->facets,
-            );
-        }
-    }
-    
-    printf "Writing to %s\n", basename($output_file);
-    $new_model->store_amf($output_file);
-}
-
-
-sub usage {
-    my ($exit_code) = @_;
-    
-    print <<"EOF";
-Usage: amf-to-stl.pl [ OPTIONS ] file.stl [ file2.stl [ file3.stl ] ]
-
-    --help              Output this usage screen and exit
-    --distinct-materials Assign each STL file to a different material
-    
-EOF
-    exit ($exit_code || 0);
-}
-
-__END__
diff --git a/utils/zsh/README.markdown b/utils/zsh/README.markdown
deleted file mode 100644
index e84b94310..000000000
--- a/utils/zsh/README.markdown
+++ /dev/null
@@ -1,21 +0,0 @@
-# ZSH Completions for Slic3r
-
-To enable zsh(1) completions for Slic3r, add the following to your
-``~/.zshrc`` file, replacing ``/path/to/Slic3r/`` with the actual path
-to your Slic3r directory:
-
-    typeset -U fpath
-
-    if [[ -d /path/to/Slic3r/utils/zsh/functions ]]; then
-        fpath=(/path/to/Slic3r/utils/zsh/functions $fpath)
-    fi
-
-    autoload -Uz compinit
-    compinit
-    zstyle ':completion:*' verbose true
-    zstyle ':completion:*:descriptions' format '%B%d%b'
-    zstyle ':completion:*:messages' format '%d'
-    zstyle ':completion:*:warnings' format 'No matches for %d'
-    zstyle ':completion:*' group-name '%d'
-
-See the zshcompsys(1) man page for further details.
diff --git a/utils/zsh/functions/_slic3r b/utils/zsh/functions/_slic3r
deleted file mode 100644
index cea887cc6..000000000
--- a/utils/zsh/functions/_slic3r
+++ /dev/null
@@ -1,118 +0,0 @@
-#compdef -P slic3r(|.pl|.exe)
-#
-# Slic3r completions configuration for zsh(1).
-
-# Currently undocumented options:
-#   --debug, --gui, --ignore-nonexistent-config
-#   --acceleration, --perimeter-acceleration, --infill-acceleration
-
-_arguments -S \
-    '(- *)--help[output usage screen and exit]' \
-    '(- *)--version[output the version of Slic3r and exit]' \
-    '--save[save configuration to file]:config output file:_files -g "*.(#i)ini(-.)"' \
-    '*--load[load configuration from file]:config input file:_files -g "*.(#i)ini(-.)"' \
-    '(--output -o)'{--output,-o}'[specify output file]:output file:_files -g "*.(#i)(gcode|svg)(-.)"' \
-    '(--threads -j)'{--threads,-j}'[specify number of threads to use]:number of threads' \
-    \
-    '--output-filename-format[specify output filename format]:output filename format' \
-    '*--post-process[specify post-processing script]:post-processing script file:_files' \
-    '--export-svg[export SVG containing slices instead of G-code]' \
-    '(--merge -m)'{--merge,-m}'[merge multiple input files into a single print]' \
-    \
-    '*--nozzle-diameter[specify nozzle diameter]:nozzle diameter in mm' \
-    '--print-center[specify print center coordinates]:print center coordinates in mm,mm' \
-    '--z-offset[specify Z-axis offset]:Z-axis offset in mm' \
-    '--gcode-flavor[specify the type of G-code to generate]:G-code flavor:(reprap teacup repetier makerware sailfish mach3 machinekit smoothie no-extrusion)' \
-    '(--use-relative-e-distances --no-use-relative-e-distances)'--{no-,}use-relative-e-distances'[disable/enable relative E values]' \
-    '--extrusion-axis[specify letter associated with the extrusion axis]:extrusion axis letter' \
-    '(--gcode-arcs --no-gcode-arcs)'--{no-,}gcode-arcs'[disable/enable G2/G3 commands for native arcs]' \
-    '(--gcode-comments --no-gcode-comments)'--{no-,}gcode-comments'[disable/enable verbose G-code comments]' \
-    \
-    '*--filament-diameter[specify raw filament diameter]:raw filament diameter in mm' \
-    '*--extrusion-multiplier[specify multiplier for amount of plastic extruded]:extrusion multiplier' \
-    '*--temperature[specify extrusion temperature]:extrusion temperature in Celsius' \
-    '*--first-layer-temperature[specify extrusion temperature for the first layer]:first layer extrusion temperature in Celsius' \
-    '--bed-temperature[specify heated bed temperature]:heated bed temperature in Celsius' \
-    '--first-layer-bed-temperature[specify heated bed temperature for the first layer]:first layer heated bed temperature in Celsius' \
-    \
-    '--perimeter-extruder[specify extruder to use for printing perimeters]:extruder number' \
-    '--infill-extruder[specify extruder to use for printing infill]:extruder number' \
-    '--support-material-extruder[specify extruder to use for printing support material]:extruder number' \
-    \
-    '--travel-speed[specify speed of non-print moves]:speed of non-print moves in mm/s' \
-    '--perimeter-speed[specify speed of print moves for perimeters]:speed of print moves for perimeters in mm/s' \
-    '--external-perimeter-speed[specify speed of print moves for external perimeters]:speed of print moves for external perimeters in mm/s or % of --perimeter-speed' \
-    '--small-perimeter-speed[specify speed of print moves for small perimeters]:speed of print moves for small perimeters in mm/s or % of --perimeter-speed' \
-    '--infill-speed[specify speed of infill print moves]:speed of infill print moves in mm/s' \
-    '--solid-infill-speed[specify speed of solid surface print moves]:speed of solid surface print moves in mm/s or % of --infill-speed' \
-    '--top-solid-infill-speed[specify speed of top surface print moves]:speed of top surface print moves in mm/s or % of --solid-infill-speed' \
-    '--bridge-speed[specify speed of bridge print moves]:speed of bridge print moves in mm/s' \
-    '--first-layer-speed[specify speed of bottom layer print moves]:speed of bottom layer print moves in mm/s or % of normal speeds' \
-    \
-    '--layer-height[specify layer height]:layer height in mm' \
-    '--first-layer-height[specify layer height for bottom layer]:layer height for bottom layer in mm or % of --layer-height' \
-    '--infill-every-layers[specify infill for every N layers]:N layers' \
-    \
-    '--perimeters[specify number of perimeters]:number of perimeters' \
-    '--solid-layers[specify number of solid layers to do for top/bottom surfaces]:number of layers for top/bottom surfaces' \
-    '--fill-density[specify infill density]:infill density in percent' \
-    '--fill-angle[specify infill angle]:infill angle in degrees' \
-    '--fill-pattern[specify pattern used for infill]:infill pattern:(rectilinear line concentric honeycomb hilbertcurve archimedeanchords octagramspiral)' \
-    '--solid-fill-pattern[specify pattern used for solid layers]:solid fill pattern:(rectilinear concentric hilbertcurve archimedeanchords octagramspiral)' \
-    '--start-gcode[load initial G-code from file]:start G-code file:_files -g "*.(#i)(gcode)(-.)"' \
-    '--end-gcode[load final G-code from file]:end G-code file:_files -g "*.(#i)(gcode)(-.)"' \
-    '--layer-gcode[load layer-change G-code from file]:layer-change G-code file:_files -g "*.(#i)(gcode)(-.)"' \
-    '(--support-material --no-support-material)'--{no-,}support-material'[disable/enable generation of support material for overhangs]' \
-    '--support-material-threshold[specify support material threshold]:maximum slope angle for generating support material' \
-    '--support-material-pattern[specify pattern used for support material]:support material pattern:(rectilinear honeycomb)' \
-    '--support-material-spacing[specify spacing between support material lines]:spacing between support material lines in mm' \
-    '--support-material-angle[specify support material angle]:support material angle in degrees' \
-    '(--randomize-start --no-randomize-start)'--{no-,}randomize-start'[disable/enable randomization of starting point across layers]' \
-    '(--extra-perimeters --no-extra-perimeters)'--{no-,}extra-perimeters'[disable/enable generation of extra perimeters when needed]' \
-    \
-    '--retract-length[specify filament retraction length when pausing extrusion]:filament retraction length in mm' \
-    '--retract-speed[specify filament retraction speed]:filament retraction speed in mm/s' \
-    '--retract-restart-extra[specify filament length to extrude for compensating retraction]: filament lenght in mm' \
-    '--retract-before-travel[specify minimum travel length for activating retraction]:minimum travel length for activating retraction in mm' \
-    '--retract-lift[specify Z-axis lift for use when retracting]:Z-axis lift in mm' \
-    \
-    '(--cooling --no-cooling)'--{no-,}cooling'[disable/enable fan and cooling control]' \
-    '--min-fan-speed[specify minimum fan speed]:minimum fan speed in percent' \
-    '--max-fan-speed[specify maximum fan speed]:maximum fan speed in percent' \
-    '--bridge-fan-speed[specify fan speed to use for bridging]:bridging fan speed in percent' \
-    '--fan-below-layer-time[specify maximum layer print time before activating fan]:maximum layer print time in seconds' \
-    '--slowdown-below-layer-time[specify maximum layer print time before slowing down printing]:maximum layer print time in seconds' \
-    '--min-print-speed[specify minimum print speed]:minimum print speed in mm/s' \
-    '--disable-fan-first-layers[specify number of bottom layers to print before activating fan]:number of bottom layers' \
-    '(--fan-always-on --no-fan-always-on)'--{no-,}fan-always-on'[disable/enable deactivation of fan]' \
-    \
-    '--skirts[specify number of skirts]:number of skirts' \
-    '--skirt-distance[specify distance between innermost skirt and object]:distance between innermost skirt and object in mm' \
-    '--skirt-height[specify number of skirt layers]:number of skirt layers' \
-    '--brim-width[specify brim width]:width of brim in mm' \
-    \
-    '--scale[specify object scaling factor]:object scaling factor in percent' \
-    '--rotate[specify object rotation angle]:object rotation angle in degrees' \
-    '(--duplicate-grid)--duplicate[specify number of duplicates for auto-arrange]:number of duplicates for auto-arrange' \
-    '(--duplicate-grid)--bed-size[specify bed size for auto-arrange]:bed size for auto-arrange in mm,mm' \
-    '(--duplicate --bed-size)--duplicate-grid[specify number of duplicates for grid arrangement]:number of duplicates for grid arrangement as x,y' \
-    '--duplicate-distance[specify distance between duplicates]:distance between duplicates in mm' \
-    \
-    '(--complete-objects --no-complete-objects)'--{no-,}complete-objects'[disable/enable completion of each object before starting a new one]' \
-    '--extruder-clearance-radius[specify radius above which extruder will not collide with anything]:radius in mm' \
-    '--extruder-clearance-height[specify maximum vertical extruder depth]:maximum vertical extruder depth in mm' \
-    \
-    '--notes[specify notes to be added as comments to the output file]:notes' \
-    \
-    '--extrusion-width[specify extrusion width]:extrusion width in mm or % of --layer-height' \
-    '--first-layer-extrusion-width[specify extrusion width for first layer]:first layer extrusion width in mm or % og --layer-height' \
-    '--perimeters-extrusion-width[specify extrusion width for perimeters]:perimeter extrusion width in mm or % of --layer-height' \
-    '--infill-extrusion-width[specify extrusion width for infill]:infill extrusion width in mm or % of --layer-height' \
-    '--support-material-extrusion-width[specify extrusion width for support material]:support material extrusion width in mm or % of --layer-height' \
-    '--bridge-flow-ratio[specify multiplier for extrusion when bridging]:bridge extrusion multiplier' \
-    \
-    '*:input file:_files -g "*.(#i)(stl|obj|amf|xml|prusa)(-.)"'
-
-# Local Variables: ***
-# mode:sh ***
-# End: ***