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#!/usr/bin/env perl
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 List::Util qw(first);
use POSIX qw(setlocale LC_NUMERIC ceil);
use Slic3r;
use Slic3r::Geometry qw(epsilon X Y Z deg2rad);
use Time::HiRes qw(gettimeofday tv_interval);
$|++;
binmode STDOUT, ':utf8';
our %opt = ();
my %cli_options = ();
{
my %options = (
'help' => sub { usage() },
'version' => sub { print "$Slic3r::VERSION\n"; exit 0 },
'debug' => \$Slic3r::debug,
'gui' => \$opt{gui},
'o|output=s' => \$opt{output},
'save=s' => \$opt{save},
'load=s@' => \$opt{load},
'autosave=s' => \$opt{autosave},
'ignore-nonexistent-config' => \$opt{ignore_nonexistent_config},
'no-controller' => \$opt{no_controller},
'no-plater' => \$opt{no_plater},
'gui-mode=s' => \$opt{gui_mode},
'datadir=s' => \$opt{datadir},
'export-svg' => \$opt{export_svg},
'merge|m' => \$opt{merge},
'repair' => \$opt{repair},
'cut=f' => \$opt{cut},
'cut-grid=s' => \$opt{cut_grid},
'split' => \$opt{split},
'info' => \$opt{info},
'scale=f' => \$opt{scale},
'rotate=f' => \$opt{rotate},
'duplicate=i' => \$opt{duplicate},
'duplicate-grid=s' => \$opt{duplicate_grid},
'print-center=s' => \$opt{print_center},
'dont-arrange' => \$opt{dont_arrange},
);
foreach my $opt_key (keys %{$Slic3r::Config::Options}) {
my $cli = $Slic3r::Config::Options->{$opt_key}->{cli} or next;
# allow both the dash-separated option name and the full opt_key
$options{ "$opt_key|$cli" } = \$cli_options{$opt_key};
}
@ARGV = grep !/^-psn_\d/, @ARGV if $^O eq 'darwin';
GetOptions(%options) or usage(1);
}
# load configuration files
my @external_configs = ();
if ($opt{load}) {
foreach my $configfile (@{$opt{load}}) {
$configfile = Slic3r::decode_path($configfile);
if (-e $configfile) {
push @external_configs, Slic3r::Config->load($configfile);
} elsif (-e "$FindBin::Bin/$configfile") {
printf STDERR "Loading $FindBin::Bin/$configfile\n";
push @external_configs, Slic3r::Config->load("$FindBin::Bin/$configfile");
} else {
$opt{ignore_nonexistent_config} or die "Cannot find specified configuration file ($configfile).\n";
}
}
}
# process command line options
my $cli_config = Slic3r::Config->new;
foreach my $c (@external_configs, Slic3r::Config->new_from_cli(%cli_options)) {
$c->normalize; # expand shortcuts before applying, otherwise destination values would be already filled with defaults
$cli_config->apply($c);
}
# save configuration
if ($opt{save}) {
if (@{$cli_config->get_keys} > 0) {
$cli_config->save($opt{save});
} else {
Slic3r::Config->new_from_defaults->save($opt{save});
}
}
# apply command line config on top of default config
my $config = Slic3r::Config->new_from_defaults;
$config->apply($cli_config);
# launch GUI
my $gui;
if ((!@ARGV || $opt{gui}) && !$opt{save} && eval "require Slic3r::GUI; 1") {
{
no warnings 'once';
$Slic3r::GUI::datadir = Slic3r::decode_path($opt{datadir} // '');
$Slic3r::GUI::no_controller = $opt{no_controller};
$Slic3r::GUI::no_plater = $opt{no_plater};
$Slic3r::GUI::mode = $opt{gui_mode};
$Slic3r::GUI::autosave = $opt{autosave};
}
$gui = Slic3r::GUI->new;
setlocale(LC_NUMERIC, 'C');
$gui->{mainframe}->load_config_file($_) for @{$opt{load}};
$gui->{mainframe}->load_config($cli_config);
foreach my $input_file (@ARGV) {
$input_file = Slic3r::decode_path($input_file);
$gui->{mainframe}{plater}->load_file($input_file) unless $opt{no_plater};
}
$gui->MainLoop;
exit;
}
die $@ if $@ && $opt{gui};
if (@ARGV) { # slicing from command line
$config->validate;
if ($opt{repair}) {
foreach my $file (@ARGV) {
$file = Slic3r::decode_path($file);
die "Repair is currently supported only on STL files\n"
if $file !~ /\.stl$/i;
my $output_file = $file;
$output_file =~ s/\.(stl)$/_fixed.obj/i;
my $tmesh = Slic3r::TriangleMesh->new;
$tmesh->ReadSTLFile($file);
$tmesh->repair;
$tmesh->WriteOBJFile($output_file);
}
exit;
}
if ($opt{cut}) {
foreach my $file (@ARGV) {
$file = Slic3r::decode_path($file);
my $model = Slic3r::Model->read_from_file($file);
$model->add_default_instances;
my $mesh = $model->mesh;
$mesh->translate(0, 0, -$mesh->bounding_box->z_min);
my $upper = Slic3r::TriangleMesh->new;
my $lower = Slic3r::TriangleMesh->new;
$mesh->cut(Z, $opt{cut}, $upper, $lower);
$upper->repair;
$lower->repair;
$upper->write_ascii("${file}_upper.stl")
if $upper->facets_count > 0;
$lower->write_ascii("${file}_lower.stl")
if $lower->facets_count > 0;
}
exit;
}
if ($opt{cut_grid}) {
my ($grid_x, $grid_y) = split /[,x]/, $opt{cut_grid}, 2;
foreach my $file (@ARGV) {
$file = Slic3r::decode_path($file);
my $model = Slic3r::Model->read_from_file($file);
$model->add_default_instances;
my $mesh = $model->mesh;
my $bb = $mesh->bounding_box;
$mesh->translate(0, 0, -$bb->z_min);
my $x_parts = ceil(($bb->size->x - epsilon)/$grid_x);
my $y_parts = ceil(($bb->size->y - epsilon)/$grid_y); #--
for my $i (1..$x_parts) {
my $this = Slic3r::TriangleMesh->new;
if ($i == $x_parts) {
$this = $mesh;
} else {
my $next = Slic3r::TriangleMesh->new;
$mesh->cut(X, $bb->x_min + ($grid_x * $i), $next, $this);
$this->repair;
$next->repair;
$mesh = $next;
}
for my $j (1..$y_parts) {
my $tile = Slic3r::TriangleMesh->new;
if ($j == $y_parts) {
$tile = $this;
} else {
my $next = Slic3r::TriangleMesh->new;
$this->cut(Y, $bb->y_min + ($grid_y * $j), $next, $tile);
$tile->repair;
$next->repair;
$this = $next;
}
$tile->write_ascii("${file}_${i}_${j}.stl");
}
}
}
exit;
}
if ($opt{split}) {
foreach my $file (@ARGV) {
$file = Slic3r::decode_path($file);
my $model = Slic3r::Model->read_from_file($file);
$model->add_default_instances;
my $mesh = $model->mesh;
$mesh->repair;
my $part_count = 0;
foreach my $new_mesh (@{$mesh->split}) {
my $output_file = sprintf '%s_%02d.stl', $file, ++$part_count;
printf "Writing to %s\n", basename($output_file);
Slic3r::Format::STL->write_file($output_file, $new_mesh, binary => 1);
}
}
exit;
}
while (my $input_file = shift @ARGV) {
$input_file = Slic3r::decode_path($input_file);
my $model;
if ($opt{merge}) {
my @models = map Slic3r::Model->read_from_file($_), $input_file, (splice @ARGV, 0);
$model = Slic3r::Model->merge(@models);
} else {
$model = Slic3r::Model->read_from_file($input_file);
}
$model->repair;
if ($opt{info}) {
$model->print_info;
next;
}
if (defined $opt{duplicate_grid}) {
$opt{duplicate_grid} = [ split /[,x]/, $opt{duplicate_grid}, 2 ];
}
if (defined $opt{print_center}) {
$opt{print_center} = Slic3r::Pointf->new(split /[,x]/, $opt{print_center}, 2);
}
my $sprint = Slic3r::Print::Simple->new(
scale => $opt{scale} // 1,
rotate => deg2rad($opt{rotate} // 0),
duplicate => $opt{duplicate} // 1,
duplicate_grid => $opt{duplicate_grid} // [1,1],
print_center => $opt{print_center} // Slic3r::Pointf->new(100,100),
dont_arrange => $opt{dont_arrange} // 0,
status_cb => sub {
my ($percent, $message) = @_;
printf "=> %s\n", $message;
},
output_file => $opt{output},
);
$sprint->apply_config($config);
$sprint->set_model($model);
if ($opt{export_svg}) {
$sprint->export_svg;
} else {
my $t0 = [gettimeofday];
$sprint->export_gcode;
# output some statistics
{
my $duration = tv_interval($t0);
printf "Done. Process took %d minutes and %.3f seconds\n",
int($duration/60), ($duration - int($duration/60)*60); # % truncates to integer
}
printf "Filament required: %.1fmm (%.1fcm3)\n",
$sprint->total_used_filament, $sprint->total_extruded_volume/1000;
}
}
} else {
usage(1) unless $opt{save};
}
sub usage {
my ($exit_code) = @_;
my $config = Slic3r::Config->new_from_defaults->as_hash;
my $j = '';
if ($Slic3r::have_threads) {
$j = <<"EOF";
-j, --threads <num> Number of threads to use (1+, default: $config->{threads})
EOF
}
print <<"EOF";
Slic3r $Slic3r::VERSION is a STL-to-GCODE translator for RepRap 3D printers
written by Alessandro Ranellucci <aar\@cpan.org> - http://slic3r.org/
Usage: slic3r.pl [ OPTIONS ] [ file.stl ] [ file2.stl ] ...
--help Output this usage screen and exit
--version Output the version of Slic3r and exit
--save <file> Save configuration to the specified file
--load <file> Load configuration from the specified file. It can be used
more than once to load options from multiple files.
-o, --output <file> File to output gcode to (by default, the file will be saved
into the same directory as the input file using the
--output-filename-format to generate the filename.) If a
directory is specified for this option, the output will
be saved under that directory, and the filename will be
generated by --output-filename-format.
Non-slicing actions (no G-code will be generated):
--repair Repair given STL files and save them as <name>_fixed.obj
--cut <z> Cut given input files at given Z (relative) and export
them as <name>_upper.stl and <name>_lower.stl
--split Split the shells contained in given STL file into several STL files
--info Output information about the supplied file(s) and exit
$j
GUI options:
--gui Forces the GUI launch instead of command line slicing (if you
supply a model file, it will be loaded into the plater)
--no-plater Disable the plater tab
--gui-mode Overrides the configured mode (simple/expert)
--autosave <file> Automatically export current configuration to the specified file
Output options:
--output-filename-format
Output file name format; all config options enclosed in brackets
will be replaced by their values, as well as [input_filename_base]
and [input_filename] (default: $config->{output_filename_format})
--post-process Generated G-code will be processed with the supplied script;
call this more than once to process through multiple scripts.
--export-svg Export a SVG file containing slices instead of G-code.
-m, --merge If multiple files are supplied, they will be composed into a single
print rather than processed individually.
Printer options:
--nozzle-diameter Diameter of nozzle in mm (default: $config->{nozzle_diameter}->[0])
--print-center Coordinates in mm of the point to center the print around
(default: 100,100)
--z-offset Additional height in mm to add to vertical coordinates
(+/-, default: $config->{z_offset})
--gcode-flavor The type of G-code to generate (reprap/teacup/repetier/makerware/sailfish/mach3/machinekit/smoothie/no-extrusion,
default: $config->{gcode_flavor})
--use-relative-e-distances Enable this to get relative E values (default: no)
--use-firmware-retraction Enable firmware-controlled retraction using G10/G11 (default: no)
--use-volumetric-e Express E in cubic millimeters and prepend M200 (default: no)
--gcode-arcs Use G2/G3 commands for native arcs (experimental, not supported
by all firmwares)
--gcode-comments Make G-code verbose by adding comments (default: no)
--vibration-limit Limit the frequency of moves on X and Y axes (Hz, set zero to disable;
default: $config->{vibration_limit})
--pressure-advance Adjust pressure using the experimental advance algorithm (K constant,
set zero to disable; default: $config->{pressure_advance})
Filament options:
--filament-diameter Diameter in mm of your raw filament (default: $config->{filament_diameter}->[0])
--extrusion-multiplier
Change this to alter the amount of plastic extruded. There should be
very little need to change this value, which is only useful to
compensate for filament packing (default: $config->{extrusion_multiplier}->[0])
--temperature Extrusion temperature in degree Celsius, set 0 to disable (default: $config->{temperature}->[0])
--first-layer-temperature Extrusion temperature for the first layer, in degree Celsius,
set 0 to disable (default: same as --temperature)
--bed-temperature Heated bed temperature in degree Celsius, set 0 to disable (default: $config->{bed_temperature})
--first-layer-bed-temperature Heated bed temperature for the first layer, in degree Celsius,
set 0 to disable (default: same as --bed-temperature)
Speed options:
--travel-speed Speed of non-print moves in mm/s (default: $config->{travel_speed})
--perimeter-speed Speed of print moves for perimeters in mm/s (default: $config->{perimeter_speed})
--small-perimeter-speed
Speed of print moves for small perimeters in mm/s or % over perimeter speed
(default: $config->{small_perimeter_speed})
--external-perimeter-speed
Speed of print moves for the external perimeter in mm/s or % over perimeter speed
(default: $config->{external_perimeter_speed})
--infill-speed Speed of print moves in mm/s (default: $config->{infill_speed})
--solid-infill-speed Speed of print moves for solid surfaces in mm/s or % over infill speed
(default: $config->{solid_infill_speed})
--top-solid-infill-speed Speed of print moves for top surfaces in mm/s or % over solid infill speed
(default: $config->{top_solid_infill_speed})
--support-material-speed
Speed of support material print moves in mm/s (default: $config->{support_material_speed})
--support-material-interface-speed
Speed of support material interface print moves in mm/s or % over support material
speed (default: $config->{support_material_interface_speed})
--bridge-speed Speed of bridge print moves in mm/s (default: $config->{bridge_speed})
--gap-fill-speed Speed of gap fill print moves in mm/s (default: $config->{gap_fill_speed})
--first-layer-speed Speed of print moves for bottom layer, expressed either as an absolute
value or as a percentage over normal speeds (default: $config->{first_layer_speed})
Acceleration options:
--perimeter-acceleration
Overrides firmware's default acceleration for perimeters. (mm/s^2, set zero
to disable; default: $config->{perimeter_acceleration})
--infill-acceleration
Overrides firmware's default acceleration for infill. (mm/s^2, set zero
to disable; default: $config->{infill_acceleration})
--bridge-acceleration
Overrides firmware's default acceleration for bridges. (mm/s^2, set zero
to disable; default: $config->{bridge_acceleration})
--first-layer-acceleration
Overrides firmware's default acceleration for first layer. (mm/s^2, set zero
to disable; default: $config->{first_layer_acceleration})
--default-acceleration
Acceleration will be reset to this value after the specific settings above
have been applied. (mm/s^2, set zero to disable; default: $config->{default_acceleration})
Accuracy options:
--layer-height Layer height in mm (default: $config->{layer_height})
--first-layer-height Layer height for first layer (mm or %, default: $config->{first_layer_height})
--infill-every-layers
Infill every N layers (default: $config->{infill_every_layers})
--solid-infill-every-layers
Force a solid layer every N layers (default: $config->{solid_infill_every_layers})
Print options:
--perimeters Number of perimeters/horizontal skins (range: 0+, default: $config->{perimeters})
--top-solid-layers Number of solid layers to do for top surfaces (range: 0+, default: $config->{top_solid_layers})
--bottom-solid-layers Number of solid layers to do for bottom surfaces (range: 0+, default: $config->{bottom_solid_layers})
--solid-layers Shortcut for setting the two options above at once
--fill-density Infill density (range: 0%-100%, default: $config->{fill_density}%)
--fill-angle Infill angle in degrees (range: 0-90, default: $config->{fill_angle})
--fill-pattern Pattern to use to fill non-solid layers (default: $config->{fill_pattern})
--external-fill-pattern Pattern to use to fill solid layers (default: $config->{external_fill_pattern})
--start-gcode Load initial G-code from the supplied file. This will overwrite
the default command (home all axes [G28]).
--end-gcode Load final G-code from the supplied file. This will overwrite
the default commands (turn off temperature [M104 S0],
home X axis [G28 X], disable motors [M84]).
--before-layer-gcode Load before-layer-change G-code from the supplied file (default: nothing).
--layer-gcode Load layer-change G-code from the supplied file (default: nothing).
--toolchange-gcode Load tool-change G-code from the supplied file (default: nothing).
--seam-position Position of loop starting points (random/nearest/aligned, default: $config->{seam_position}).
--external-perimeters-first Reverse perimeter order. (default: no)
--spiral-vase Experimental option to raise Z gradually when printing single-walled vases
(default: no)
--only-retract-when-crossing-perimeters
Disable retraction when travelling between infill paths inside the same island.
(default: no)
--solid-infill-below-area
Force solid infill when a region has a smaller area than this threshold
(mm^2, default: $config->{solid_infill_below_area})
--infill-only-where-needed
Only infill under ceilings (default: no)
--infill-first Make infill before perimeters (default: no)
Quality options (slower slicing):
--extra-perimeters Add more perimeters when needed (default: yes)
--avoid-crossing-perimeters Optimize travel moves so that no perimeters are crossed (default: no)
--thin-walls Detect single-width walls (default: yes)
--overhangs Experimental option to use bridge flow, speed and fan for overhangs
(default: yes)
Support material options:
--support-material Generate support material for overhangs
--support-material-threshold
Overhang threshold angle (range: 0-90, set 0 for automatic detection,
default: $config->{support_material_threshold})
--support-material-pattern
Pattern to use for support material (default: $config->{support_material_pattern})
--support-material-spacing
Spacing between pattern lines (mm, default: $config->{support_material_spacing})
--support-material-angle
Support material angle in degrees (range: 0-90, default: $config->{support_material_angle})
--support-material-contact-distance
Vertical distance between object and support material (0+, default: $config->{support_material_contact_distance})
--support-material-interface-layers
Number of perpendicular layers between support material and object (0+, default: $config->{support_material_interface_layers})
--support-material-interface-spacing
Spacing between interface pattern lines (mm, set 0 to get a solid layer, default: $config->{support_material_interface_spacing})
--raft-layers Number of layers to raise the printed objects by (range: 0+, default: $config->{raft_layers})
--support-material-enforce-layers
Enforce support material on the specified number of layers from bottom,
regardless of --support-material and threshold (0+, default: $config->{support_material_enforce_layers})
--dont-support-bridges
Experimental option for preventing support material from being generated under bridged areas (default: yes)
Retraction options:
--retract-length Length of retraction in mm when pausing extrusion (default: $config->{retract_length}[0])
--retract-speed Speed for retraction in mm/s (default: $config->{retract_speed}[0])
--retract-restart-extra
Additional amount of filament in mm to push after
compensating retraction (default: $config->{retract_restart_extra}[0])
--retract-before-travel
Only retract before travel moves of this length in mm (default: $config->{retract_before_travel}[0])
--retract-lift Lift Z by the given distance in mm when retracting (default: $config->{retract_lift}[0])
--retract-lift-above Only lift Z when above the specified height (default: $config->{retract_lift_above}[0])
--retract-lift-below Only lift Z when below the specified height (default: $config->{retract_lift_below}[0])
--retract-layer-change
Enforce a retraction before each Z move (default: no)
--wipe Wipe the nozzle while doing a retraction (default: no)
Retraction options for multi-extruder setups:
--retract-length-toolchange
Length of retraction in mm when disabling tool (default: $config->{retract_length_toolchange}[0])
--retract-restart-extra-toolchange
Additional amount of filament in mm to push after
switching tool (default: $config->{retract_restart_extra_toolchange}[0])
Cooling options:
--cooling Enable fan and cooling control
--min-fan-speed Minimum fan speed (default: $config->{min_fan_speed}%)
--max-fan-speed Maximum fan speed (default: $config->{max_fan_speed}%)
--bridge-fan-speed Fan speed to use when bridging (default: $config->{bridge_fan_speed}%)
--fan-below-layer-time Enable fan if layer print time is below this approximate number
of seconds (default: $config->{fan_below_layer_time})
--slowdown-below-layer-time Slow down if layer print time is below this approximate number
of seconds (default: $config->{slowdown_below_layer_time})
--min-print-speed Minimum print speed (mm/s, default: $config->{min_print_speed})
--disable-fan-first-layers Disable fan for the first N layers (default: $config->{disable_fan_first_layers})
--fan-always-on Keep fan always on at min fan speed, even for layers that don't need
cooling
Skirt options:
--skirts Number of skirts to draw (0+, default: $config->{skirts})
--skirt-distance Distance in mm between innermost skirt and object
(default: $config->{skirt_distance})
--skirt-height Height of skirts to draw (expressed in layers, 0+, default: $config->{skirt_height})
--min-skirt-length Generate no less than the number of loops required to consume this length
of filament on the first layer, for each extruder (mm, 0+, default: $config->{min_skirt_length})
--brim-width Width of the brim that will get added to each object to help adhesion
(mm, default: $config->{brim_width})
Transform options:
--scale Factor for scaling input object (default: 1)
--rotate Rotation angle in degrees (0-360, default: 0)
--duplicate Number of items with auto-arrange (1+, default: 1)
--duplicate-grid Number of items with grid arrangement (default: 1,1)
--duplicate-distance Distance in mm between copies (default: $config->{duplicate_distance})
--dont-arrange Don't arrange the objects on the build plate. The model coordinates
define the absolute positions on the build plate.
The option --print-center will be ignored.
--xy-size-compensation
Grow/shrink objects by the configured absolute distance (mm, default: $config->{xy_size_compensation})
Sequential printing options:
--complete-objects When printing multiple objects and/or copies, complete each one before
starting the next one; watch out for extruder collisions (default: no)
--extruder-clearance-radius Radius in mm above which extruder won't collide with anything
(default: $config->{extruder_clearance_radius})
--extruder-clearance-height Maximum vertical extruder depth; i.e. vertical distance from
extruder tip and carriage bottom (default: $config->{extruder_clearance_height})
Miscellaneous options:
--notes Notes to be added as comments to the output file
--resolution Minimum detail resolution (mm, set zero for full resolution, default: $config->{resolution})
Flow options (advanced):
--extrusion-width Set extrusion width manually; it accepts either an absolute value in mm
(like 0.65) or a percentage over layer height (like 200%)
--first-layer-extrusion-width
Set a different extrusion width for first layer
--perimeter-extrusion-width
Set a different extrusion width for perimeters
--external-perimeter-extrusion-width
Set a different extrusion width for external perimeters
--infill-extrusion-width
Set a different extrusion width for infill
--solid-infill-extrusion-width
Set a different extrusion width for solid infill
--top-infill-extrusion-width
Set a different extrusion width for top infill
--support-material-extrusion-width
Set a different extrusion width for support material
--infill-overlap Overlap between infill and perimeters (default: $config->{infill_overlap})
--bridge-flow-ratio Multiplier for extrusion when bridging (> 0, default: $config->{bridge_flow_ratio})
Multiple extruder options:
--extruder-offset Offset of each extruder, if firmware doesn't handle the displacement
(can be specified multiple times, default: 0x0)
--perimeter-extruder
Extruder to use for perimeters and brim (1+, default: $config->{perimeter_extruder})
--infill-extruder Extruder to use for infill (1+, default: $config->{infill_extruder})
--solid-infill-extruder Extruder to use for solid infill (1+, default: $config->{solid_infill_extruder})
--support-material-extruder
Extruder to use for support material, raft and skirt (1+, default: $config->{support_material_extruder})
--support-material-interface-extruder
Extruder to use for support material interface (1+, default: $config->{support_material_interface_extruder})
--ooze-prevention Drop temperature and park extruders outside a full skirt for automatic wiping
(default: no)
--standby-temperature-delta
Temperature difference to be applied when an extruder is not active and
--ooze-prevention is enabled (default: $config->{standby_temperature_delta})
EOF
exit ($exit_code || 0);
}
__END__