From 8ce7b13db525b0d247d46c7eee587f654c9e22d0 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Tue, 26 Feb 2013 20:54:40 +0100
Subject: [PATCH] Fixed regression in is_printable() - needs unit test

---
 lib/Slic3r/Polygon.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Slic3r/Polygon.pm b/lib/Slic3r/Polygon.pm
index da23e823a..0f3827381 100644
--- a/lib/Slic3r/Polygon.pm
+++ b/lib/Slic3r/Polygon.pm
@@ -129,7 +129,7 @@ sub is_printable {
     # detect them and we would be discarding them.
     my $p = $self->clone;
     $p->make_counter_clockwise;
-    return $p->offset($flow->scaled_width / 2) ? 1 : 0;
+    return $p->offset(-$flow->scaled_width / 2) ? 1 : 0;
 }
 
 sub is_valid {