From 2151457d9e34d53bdd13852c87bd7e116d11c608 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Fri, 27 Jan 2012 14:43:12 +0100
Subject: [PATCH] Bugfix: small perimeter speed was applied to all holes too,
 regardless of their size. #175

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

diff --git a/lib/Slic3r/Perimeter.pm b/lib/Slic3r/Perimeter.pm
index 4d095201be..b88177f5a3 100644
--- a/lib/Slic3r/Perimeter.pm
+++ b/lib/Slic3r/Perimeter.pm
@@ -126,7 +126,7 @@ sub make_perimeter {
     
     # detect small perimeters by checking their area
     for (@{ $layer->perimeters }) {
-        $_->role('small-perimeter') if $_->polygon->area < $Slic3r::small_perimeter_area;
+        $_->role('small-perimeter') if abs($_->polygon->area) < $Slic3r::small_perimeter_area;
     }
     
     # add thin walls as perimeters