update

lib/Slic3r/Geometry/Clipper.pm

@@ -0,0 +1,14 @@
+package Slic3r::Geometry::Clipper;
+use strict;
+use warnings;
+
+require Exporter;
+our @ISA = qw(Exporter);
+our @EXPORT_OK = qw(
+	offset 
+	offset_ex offset2_ex
+    diff_ex diff union_ex intersection_ex 
+    JT_ROUND JT_MITER JT_SQUARE 
+    intersection intersection_pl diff_pl union);
+
+1;