117 lines
3.3 KiB
Perl
117 lines
3.3 KiB
Perl
#!/usr/bin/perl
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# This script exports experimental G-code for wireframe printing
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# (inspired by the brilliant WirePrint concept)
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use strict;
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use warnings;
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BEGIN {
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use FindBin;
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use lib "$FindBin::Bin/../lib";
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}
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use Getopt::Long qw(:config no_auto_abbrev);
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use PDF::API2;
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use Slic3r;
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use Slic3r::ExtrusionPath ':roles';
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use Slic3r::Geometry qw(scale unscale X Y);
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my %opt = (
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step_height => 10,
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first_layer_height => 0.3,
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);
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{
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my %options = (
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'help' => sub { usage() },
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'output|o=s' => \$opt{output_file},
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'step-height|h=f' => \$opt{step_height},
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'nozzle-angle|a=f' => \$opt{nozzle_angle},
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'nozzle-width|w=f' => \$opt{nozzle_width},
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'first-layer-height=f' => \$opt{first_layer_height},
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);
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GetOptions(%options) or usage(1);
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$opt{output_file} or usage(1);ì
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$ARGV[0] or usage(1);
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}
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{
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# load model
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my $model = Slic3r::Model->read_from_file($ARGV[0]);
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my $mesh = $model->mesh;
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$mesh->translate(0, 0, -$mesh->bounding_box->z_min);
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# get slices
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my @z = ();
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my $z_max = $mesh->bounding_box->z_max;
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for (my $z = $opt{first_layer_height}; $z <= $z_max; $z += $opt{step_height}) {
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push @z, $z;
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}
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my $flow = Slic3r::Flow->new(
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width => 0.35,
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height => 0.35,
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nozzle_diameter => 0.35,
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bridge => 1,
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);
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my $section;
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# build a square section
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{
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my $dist = 2 * $opt{step_height}; # horizontal step
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my $side_modules = 3;
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my @points = (
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[0,0],
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(map [$_*$dist, 0], 1..$side_modules),
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(map [$side_modules*$dist, $_*$dist], 1..$side_modules),
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(map [($_-1)*$dist, $side_modules*$dist], reverse 1..$side_modules),
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(map [0, ($_-1)*$dist], reverse 1..$side_modules),
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);
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pop @points; # prevent coinciding endpoints
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$section = Slic3r::Polygon->new_scale(@points);
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}
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my $section_loop = Slic3r::ExtrusionLoop->new_from_paths(
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Slic3r::ExtrusionPath->new(
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polyline => $section->split_at_first_point,
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role => EXTR_ROLE_BRIDGE,
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mm3_per_mm => $flow->mm3_per_mm,
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width => $flow->width,
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height => $flow->height,
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)
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);
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my $vertical_steps = 3;
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open my $fh, '>', $opt{output_file};
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my $gcodegen = Slic3r::GCode->new(
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enable_loop_clipping => 0, # better bonding
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);
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$gcodegen->set_extruders([0]);
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print $fh $gcodegen->set_extruder(0);
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print $fh $gcodegen->writer->preamble;
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foreach my $z (map $_*$opt{step_height}, 0..($vertical_steps-1)) {
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print $fh $gcodegen->writer->travel_to_z($z + $flow->height);
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print $fh $gcodegen->extrude_loop($section_loop, "contour");
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}
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close $fh;
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}
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sub usage {
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my ($exit_code) = @_;
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print <<"EOF";
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Usage: wireframe.pl [ OPTIONS ] file.stl
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--help Output this usage screen and exit
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--output, -o Write to the specified file
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--step-height, -h Use the specified step height
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--nozzle-angle, -a Max nozzle angle
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--nozzle-width, -w External nozzle diameter
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EOF
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exit ($exit_code || 0);
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}
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__END__
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