New --perimeter-feed-rate and --retract-before-travel options. Includes some refactoring and fixes.
This commit is contained in:
Alessandro Ranellucci
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55f2247cd9
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21d287504c
@ -73,7 +73,7 @@ The author is Alessandro Ranellucci (me).
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--help Output this usage screen and exit
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Printer options:
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--nozzle-diameter Diameter of nozzle in mm (default: 0.45)
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--nozzle-diameter Diameter of nozzle in mm (default: 0.55)
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--print-center Coordinates of the point to center the print around
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(default: 100,100)
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--use-relative-e-distances
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@ -90,9 +90,11 @@ The author is Alessandro Ranellucci (me).
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Speed options:
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--print-feed-rate Speed of print moves in mm/sec (default: 60)
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--travel-feed-rate Speed of non-print moves in mm/sec (default: 130)
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--perimeter-feed-rate
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Speed of print moves for perimeters in mm/sec (default: 60)
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--bottom-layer-speed-ratio
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Factor to increase/decrease speeds on bottom
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layer by (default: 0.6)
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layer by (default: 0.3)
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Accuracy options:
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--layer-height Layer height in mm (default: 0.4)
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@ -104,15 +106,18 @@ The author is Alessandro Ranellucci (me).
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(range: 1+, default: 3)
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--fill-density Infill density (range: 0-1, default: 0.4)
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--fill-angle Infill angle in degrees (range: 0-90, default: 0)
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--temperature Extrusion temperature (default: 195)
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--temperature Extrusion temperature (default: 200)
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Retraction options:
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--retract-length Length of retraction in mm when pausing extrusion
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(default: 2)
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(default: 1)
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--retract-speed Speed for retraction in mm/sec (default: 40)
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--retract-restart-extra
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Additional amount of filament in mm to push after
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compensating retraction (default: 0)
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--retract-before-travel
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Only retract before travel moves of this length (default: 1)
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Skirt options:
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--skirts Number of skirts to draw (default: 1)
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--skirt-distance Distance in mm between innermost skirt and object
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@ -125,3 +130,4 @@ The author is Alessandro Ranellucci (me).
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--multiply-x Number of items along X axis (1+, default: 1)
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--multiply-y Number of items along Y axis (1+, default: 1)
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--multiply-distance Distance in mm between copies (default: 6)
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@ -26,7 +26,7 @@ use Slic3r::Surface;
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use Slic3r::Surface::Collection;
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# printer options
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our $nozzle_diameter = 0.5;
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our $nozzle_diameter = 0.55;
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our $print_center = [100,100]; # object will be centered around this point
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our $use_relative_e_distances = 0;
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our $z_offset = 0;
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@ -38,6 +38,7 @@ our $filament_packing_density = 0.85;
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# speed options
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our $print_feed_rate = 60; # mm/sec
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our $travel_feed_rate = 130; # mm/sec
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our $perimeter_feed_rate = 30; # mm/sec
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our $bottom_layer_speed_ratio = 0.3;
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# accuracy options
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@ -57,6 +58,7 @@ our $temperature = 200;
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our $retract_length = 1; # mm
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our $retract_restart_extra = 0; # mm
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our $retract_speed = 40; # mm/sec
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our $retract_before_travel = 1; # mm
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# skirt options
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our $skirts = 1;
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@ -6,7 +6,7 @@ has 'shift_y' => (is => 'ro', default => sub {0} );
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has 'z' => (is => 'rw', default => sub {0} );
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has 'extrusion_distance' => (is => 'rw', default => sub {0} );
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has 'retracted' => (is => 'rw', default => sub {0} );
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has 'retracted' => (is => 'rw', default => sub {1} ); # this spits out some plastic at start
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has 'last_pos' => (is => 'rw', default => sub { [0,0] } );
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# calculate speeds
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@ -18,6 +18,10 @@ has 'print_feed_rate' => (
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is => 'ro',
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default => sub { $Slic3r::print_feed_rate * 60 }, # mm/min
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);
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has 'perimeter_feed_rate' => (
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is => 'ro',
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default => sub { $Slic3r::perimeter_feed_rate * 60 }, # mm/min
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);
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has 'retract_speed' => (
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is => 'ro',
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default => sub { $Slic3r::retract_speed * 60 }, # mm/min
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@ -39,8 +43,12 @@ sub move_z {
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my $self = shift;
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my ($z) = @_;
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# TODO: retraction
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return $self->G1(undef, $z, 0, 'move to next layer');
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my $gcode = "";
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$gcode .= $self->retract;
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$gcode .= $self->G1(undef, $z, 0, 'move to next layer');
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return $gcode;
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}
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sub extrude_loop {
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@ -72,15 +80,17 @@ sub extrude {
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$gcode .= "G92 E0 ; reset extrusion distance\n";
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}
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# retract
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if (Slic3r::Geometry::distance_between_points($self->last_pos, $path->points->[0]->p)
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>= $Slic3r::retract_before_travel) {
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$gcode .= $self->retract;
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}
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# go to first point of extrusion path
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$gcode .= $self->G1($path->points->[0], undef, 0, "move to first $description point");
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# compensate retraction
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if ($self->retracted) {
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$gcode .= $self->G1(undef, undef, ($Slic3r::retract_length + $Slic3r::retract_restart_extra),
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"compensate retraction");
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$self->retracted(0);
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}
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$gcode .= $self->unretract if $self->retracted;
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# extrude while going to next points
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foreach my $line ($path->lines) {
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@ -94,15 +104,26 @@ sub extrude {
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$gcode .= $self->G1($line->b, undef, $e, $description);
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}
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# retract
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if ($Slic3r::retract_length > 0) {
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$gcode .= $self->G1(undef, undef, -$Slic3r::retract_length, "retract");
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$self->retracted(1);
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}
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return $gcode;
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}
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sub retract {
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my $self = shift;
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return "" unless $Slic3r::retract_length > 0
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&& $self->extrusion_distance > 0
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&& !$self->retracted;
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$self->retracted(1);
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return $self->G1(undef, undef, -$Slic3r::retract_length, "retract");
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}
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sub unretract {
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my $self = shift;
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$self->retracted(0);
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return $self->G1(undef, undef, ($Slic3r::retract_length + $Slic3r::retract_restart_extra),
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"compensate retraction");
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}
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sub G1 {
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my $self = shift;
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my ($point, $z, $e, $comment) = @_;
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@ -116,7 +137,7 @@ sub G1 {
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($point->y * $Slic3r::resolution) + $self->shift_y; #**
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$self->last_pos($point->p);
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}
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if ($z && $z != $self->z) {
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if (defined $z && $z != $self->z) {
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$self->z($z);
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$gcode .= sprintf " Z%.${dec}f", $z;
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}
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@ -129,11 +150,12 @@ sub G1 {
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if ($e) {
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$self->extrusion_distance(0) if $Slic3r::use_relative_e_distances;
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$self->extrusion_distance($self->extrusion_distance + $e);
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$gcode .= sprintf " F%.${dec}f E%.5f",
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$e < 0
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? $self->retract_speed
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: ($self->print_feed_rate * $speed_multiplier),
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$self->extrusion_distance;
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my $speed = $self->print_feed_rate * $speed_multiplier;
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$speed = $self->retract_speed if $comment =~ /retract/;
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$speed = $self->perimeter_feed_rate * $speed_multiplier if $comment =~ /perimeter/;
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$gcode .= sprintf " F%.${dec}f E%.5f", $speed, $self->extrusion_distance;
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} else {
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$gcode .= sprintf " F%.${dec}f", ($self->travel_feed_rate * $speed_multiplier);
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}
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@ -26,6 +26,32 @@ has 'layers' => (
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default => sub { [] },
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);
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sub new_from_stl {
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my $self = shift;
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my ($stl_file) = @_;
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my $print = Slic3r::STL->new->parse_file($stl_file);
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print "\n==> PROCESSING SLICES:\n";
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foreach my $layer (@{ $print->layers }) {
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printf "\nProcessing layer %d:\n", $layer->id;
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# build polylines of lines which do not already belong to a surface
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my $polylines = $layer->make_polylines;
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# build surfaces of polylines (distinguishing contours from holes)
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$layer->make_surfaces($polylines);
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# merge surfaces having a common line
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$layer->merge_contiguous_surfaces;
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}
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# detect which surfaces are near external layers
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$print->discover_horizontal_shells;
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return $print;
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}
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sub layer_count {
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my $self = shift;
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return scalar @{ $self->layers };
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@ -89,23 +89,6 @@ sub parse_file {
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$self->_facet($print, $normal, @copy_vertices);
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}
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}
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print "\n==> PROCESSING SLICES:\n";
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foreach my $layer (@{ $print->layers }) {
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printf "\nProcessing layer %d:\n", $layer->id;
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# build polylines of lines which do not already belong to a surface
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my $polylines = $layer->make_polylines;
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# build surfaces of polylines (distinguishing contours from holes)
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$layer->make_surfaces($polylines);
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# merge surfaces having a common line
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$layer->merge_contiguous_surfaces;
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}
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# detect which surfaces are near external layers
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$print->discover_horizontal_shells;
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return $print;
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}
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18
slic3r.pl
18
slic3r.pl
@ -35,6 +35,7 @@ GetOptions(
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# speed options
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'print-feed-rate=i' => \$Slic3r::print_feed_rate,
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'travel-feed-rate=i' => \$Slic3r::travel_feed_rate,
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'perimeter-feed-rate=i' => \$Slic3r::perimeter_feed_rate,
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'bottom-layer-speed-ratio=f' => \$Slic3r::bottom_layer_speed_ratio,
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# accuracy options
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@ -49,7 +50,9 @@ GetOptions(
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# retraction options
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'retract-length=f' => \$Slic3r::retract_length,
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'retract-speed=i' => \$Slic3r::retract_speed,
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'retract-restart-extra=f' => \$Slic3r::retract_restart_extra,
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'retract-before-travel=f' => \$Slic3r::retract_before_travel,
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# skirt options
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'skirts=i' => \$Slic3r::skirts,
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@ -82,6 +85,13 @@ GetOptions(
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if $Slic3r::layer_height > $Slic3r::nozzle_diameter;
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$Slic3r::flow_width = ($Slic3r::nozzle_diameter**2)
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* $Slic3r::thickness_ratio * PI / (4 * $Slic3r::layer_height);
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my $max_flow_width = $Slic3r::layer_height + $Slic3r::nozzle_diameter;
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if ($Slic3r::flow_width > $max_flow_width) {
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$Slic3r::thickness_ratio = $max_flow_width / $Slic3r::flow_width;
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$Slic3r::flow_width = $max_flow_width;
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}
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Slic3r::debugf "Flow width = $Slic3r::flow_width\n";
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# --perimeters
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@ -120,7 +130,6 @@ GetOptions(
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if $Slic3r::multiply_distance < 1;
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}
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my $stl_parser = Slic3r::STL->new;
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my $action = 'skein';
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if ($action eq 'skein') {
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@ -129,7 +138,7 @@ if ($action eq 'skein') {
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if $input_file !~ /\.stl$/i;
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my $t0 = [gettimeofday];
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my $print = $stl_parser->parse_file($input_file);
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my $print = Slic3r::Print->new_from_stl($input_file);
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$print->extrude_perimeters;
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$print->remove_small_features;
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$print->extrude_fills;
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@ -172,6 +181,8 @@ Usage: slic3r.pl [ OPTIONS ] file.stl
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Speed options:
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--print-feed-rate Speed of print moves in mm/sec (default: $Slic3r::print_feed_rate)
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--travel-feed-rate Speed of non-print moves in mm/sec (default: $Slic3r::travel_feed_rate)
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--perimeter-feed-rate
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Speed of print moves for perimeters in mm/sec (default: $Slic3r::print_feed_rate)
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--bottom-layer-speed-ratio
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Factor to increase/decrease speeds on bottom
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layer by (default: $Slic3r::bottom_layer_speed_ratio)
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@ -195,6 +206,9 @@ Usage: slic3r.pl [ OPTIONS ] file.stl
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--retract-restart-extra
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Additional amount of filament in mm to push after
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compensating retraction (default: $Slic3r::retract_restart_extra)
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--retract-before-travel
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Only retract before travel moves of this length (default: $Slic3r::retract_before_travel)
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Skirt options:
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--skirts Number of skirts to draw (default: $Slic3r::skirts)
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--skirt-distance Distance in mm between innermost skirt and object
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