diff --git a/.gitignore b/.gitignore
index d9fd6c074..62e52ce4e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ xs/buildtmp
 MANIFEST.bak
 xs/MANIFEST.bak
 xs/assertlib*
+.init_bundle.ini
\ No newline at end of file
diff --git a/lib/Slic3r/Config.pm b/lib/Slic3r/Config.pm
index 9ba2c4c10..db7ff9691 100644
--- a/lib/Slic3r/Config.pm
+++ b/lib/Slic3r/Config.pm
@@ -31,7 +31,8 @@ sub new_from_defaults {
     my $self = $class->new;
     my $defaults = Slic3r::Config::Full->new;
     if (@opt_keys) {
-        $self->set($_, $defaults->get($_)) for @opt_keys;
+        $self->set($_, $defaults->get($_))
+            for grep $defaults->has($_), @opt_keys;
     } else {
         $self->apply_static($defaults);
     }
diff --git a/lib/Slic3r/GUI.pm b/lib/Slic3r/GUI.pm
index 7b82de30b..077b5625b 100644
--- a/lib/Slic3r/GUI.pm
+++ b/lib/Slic3r/GUI.pm
@@ -5,6 +5,7 @@ use utf8;
 
 use File::Basename qw(basename);
 use FindBin;
+use List::Util qw(first);
 use Slic3r::GUI::2DBed;
 use Slic3r::GUI::AboutDialog;
 use Slic3r::GUI::BedShapeDialog;
@@ -126,6 +127,22 @@ sub OnInit {
     );
     $self->SetTopWindow($frame);
     
+    # load init bundle
+    {
+        my @dirs = ($FindBin::Bin);
+        if (&Wx::wxMAC) {
+            push @dirs, qw();
+        } elsif (&Wx::wxMSW) {
+            push @dirs, qw();
+        }
+        my $init_bundle = first { -e $_ } map "$_/.init_bundle.ini", @dirs;
+        if ($init_bundle) {
+            Slic3r::debugf "Loading config bundle from %s\n", $init_bundle;
+            $self->{mainframe}->load_configbundle($init_bundle, 1);
+            $run_wizard = 0;
+        }
+    }
+    
     if (!$run_wizard && (!defined $last_version || $last_version ne $Slic3r::VERSION)) {
         # user was running another Slic3r version on this computer
         if (!defined $last_version || $last_version =~ /^0\./) {
diff --git a/lib/Slic3r/GUI/MainFrame.pm b/lib/Slic3r/GUI/MainFrame.pm
index 3ad443572..f4940b0d7 100644
--- a/lib/Slic3r/GUI/MainFrame.pm
+++ b/lib/Slic3r/GUI/MainFrame.pm
@@ -560,14 +560,16 @@ sub export_configbundle {
 }
 
 sub load_configbundle {
-    my $self = shift;
+    my ($self, $file, $skip_no_id) = @_;
     
-    my $dir = $last_config ? dirname($last_config) : $Slic3r::GUI::Settings->{recent}{config_directory} || $Slic3r::GUI::Settings->{recent}{skein_directory} || '';
-    my $dlg = Wx::FileDialog->new($self, 'Select configuration to load:', $dir, "config.ini", 
-            &Slic3r::GUI::FILE_WILDCARDS->{ini}, wxFD_OPEN | wxFD_FILE_MUST_EXIST);
-    return unless $dlg->ShowModal == wxID_OK;
-    my $file = Slic3r::decode_path($dlg->GetPaths);
-    $dlg->Destroy;
+    if (!$file) {
+        my $dir = $last_config ? dirname($last_config) : $Slic3r::GUI::Settings->{recent}{config_directory} || $Slic3r::GUI::Settings->{recent}{skein_directory} || '';
+        my $dlg = Wx::FileDialog->new($self, 'Select configuration to load:', $dir, "config.ini", 
+                &Slic3r::GUI::FILE_WILDCARDS->{ini}, wxFD_OPEN | wxFD_FILE_MUST_EXIST);
+        return unless $dlg->ShowModal == wxID_OK;
+        $file = Slic3r::decode_path($dlg->GetPaths);
+        $dlg->Destroy;
+    }
     
     $Slic3r::GUI::Settings->{recent}{config_directory} = dirname($file);
     wxTheApp->save_settings;
@@ -593,11 +595,23 @@ sub load_configbundle {
         }
     }
     my $imported = 0;
-    foreach my $ini_category (sort keys %$ini) {
+    INI_BLOCK: foreach my $ini_category (sort keys %$ini) {
         next unless $ini_category =~ /^(print|filament|printer):(.+)$/;
         my ($section, $preset_name) = ($1, $2);
         my $config = Slic3r::Config->load_ini_hash($ini->{$ini_category});
+        next if $skip_no_id && !$config->get($section . "_settings_id");
+        
+        {
+            my %current_presets = Slic3r::GUI->presets($section);
+            my %current_ids = map { $_ => 1 }
+                grep $_,
+                map Slic3r::Config->load($_)->get($section . "_settings_id"),
+                values %current_presets;
+            next INI_BLOCK if exists $current_ids{$config->get($section . "_settings_id")};
+        }
+        
         $config->save(sprintf "$Slic3r::GUI::datadir/%s/%s.ini", $section, $preset_name);
+        Slic3r::debugf "Imported %s preset %s\n", $section, $preset_name;
         $imported++;
     }
     if ($self->{mode} eq 'expert') {
diff --git a/lib/Slic3r/GUI/Tab.pm b/lib/Slic3r/GUI/Tab.pm
index e87f9828c..d7ec57d58 100644
--- a/lib/Slic3r/GUI/Tab.pm
+++ b/lib/Slic3r/GUI/Tab.pm
@@ -493,6 +493,7 @@ sub build {
         infill_overlap bridge_flow_ratio
         xy_size_compensation threads resolution
     ));
+    $self->{config}->set('print_settings_id', '');
     
     {
         my $page = $self->add_options_page('Layers and perimeters', 'layers.png');
@@ -856,6 +857,7 @@ sub build {
         min_fan_speed max_fan_speed bridge_fan_speed disable_fan_first_layers
         fan_below_layer_time slowdown_below_layer_time min_print_speed
     ));
+    $self->{config}->set('filament_settings_id', '');
     
     {
         my $page = $self->add_options_page('Filament', 'spool.png');
@@ -996,6 +998,7 @@ sub build {
         retract_length retract_lift retract_speed retract_restart_extra retract_before_travel retract_layer_change wipe
         retract_length_toolchange retract_restart_extra_toolchange
     ));
+    $self->{config}->set('printer_settings_id', '');
     
     my $bed_shape_widget = sub {
         my ($parent) = @_;
diff --git a/xs/src/libslic3r/PrintConfig.cpp b/xs/src/libslic3r/PrintConfig.cpp
index 7b24f44c3..93725d25b 100644
--- a/xs/src/libslic3r/PrintConfig.cpp
+++ b/xs/src/libslic3r/PrintConfig.cpp
@@ -245,6 +245,8 @@ PrintConfigDef::build_def() {
     Options["filament_diameter"].sidetext = "mm";
     Options["filament_diameter"].cli = "filament-diameter=f@";
     Options["filament_diameter"].min = 0;
+    
+    Options["filament_settings_id"].type = coString;
 
     Options["fill_angle"].type = coInt;
     Options["fill_angle"].label = "Fill angle";
@@ -621,6 +623,9 @@ PrintConfigDef::build_def() {
     Options["post_process"].full_width = true;
     Options["post_process"].height = 60;
 
+    Options["print_settings_id"].type = coString;
+    Options["printer_settings_id"].type = coString;
+
     Options["pressure_advance"].type = coFloat;
     Options["pressure_advance"].label = "Pressure advance";
     Options["pressure_advance"].tooltip = "When set to a non-zero value, this experimental option enables pressure regulation. It's the K constant for the advance algorithm that pushes more or less filament upon speed changes. It's useful for Bowden-tube extruders. Reasonable values are in range 0-10.";