Add the full source of BambuStudio

using version 1.0.10

lib/Slic3r/Polyline.pm

@@ -0,0 +1,13 @@
+package Slic3r::Polyline;
+use strict;
+use warnings;
+
+use Slic3r::Geometry qw(X Y);
+
+sub new_scale {
+    my $class = shift;
+    my @points = map { ref($_) eq 'Slic3r::Point' ? $_->pp : $_ } @_;
+    return $class->new(map [ Slic3r::Geometry::scale($_->[X]), Slic3r::Geometry::scale($_->[Y]) ], @points);
+}
+
+1;