From 1053947c1910b4fe971f0959f5a5e5a1648868e7 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Thu, 6 Sep 2012 10:56:42 +0200
Subject: [PATCH] Consider single walls as external perimeters. #661

---
 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 cb47fa484..a6560b66e 100644
--- a/lib/Slic3r/Layer.pm
+++ b/lib/Slic3r/Layer.pm
@@ -318,7 +318,7 @@ sub make_perimeters {
     {
         my @thin_paths = ();
         my %properties = (
-            role            => EXTR_ROLE_PERIMETER,
+            role            => EXTR_ROLE_EXTERNAL_PERIMETER,
             flow_spacing    => $self->perimeter_flow->spacing,
         );
         for (@{ $self->thin_walls }) {