From fbea5dae8f8c89dbd27b0c249cc398c1c9fde630 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Tue, 20 Dec 2011 22:37:59 +0100
Subject: [PATCH] Bugfix: consider holes when searching for supporting surfaces

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

diff --git a/lib/Slic3r/Layer.pm b/lib/Slic3r/Layer.pm
index 8e35b8a1..af880008 100644
--- a/lib/Slic3r/Layer.pm
+++ b/lib/Slic3r/Layer.pm
@@ -247,7 +247,7 @@ sub process_bridges {
         my @supporting_surfaces = ();
         my ($contour_offset) = $expolygon->contour->offset(scale $Slic3r::flow_spacing * sqrt(2));
         foreach my $internal_surface (@internal_surfaces) {
-            my $intersection = intersection_ex([$contour_offset], [$internal_surface->contour->p]);
+            my $intersection = intersection_ex([$contour_offset], [$internal_surface->p]);
             if (@$intersection) {
                 push @supporting_surfaces, $internal_surface;
             }