Cleanup lines resulting from plane intersection before detecting polygons. This allows for more tolerance with dirty models. Performance impact depends on how many layers are detected as dirty. #16 #28

lib/Slic3r/Print.pm

@@ -2,12 +2,10 @@ package Slic3r::Print;
 use Moo;
 
 use Math::Clipper ':all';
+use Slic3r::Geometry qw(X Y);
 use Slic3r::Geometry::Clipper qw(explode_expolygons safety_offset diff_ex intersection_ex);
 use XXX;
 
-use constant X => 0;
-use constant Y => 1;
-
 has 'x_length' => (
     is          => 'ro',
     required    => 1,