From 2c28d2f8747bb24606d196454be77e1049be3954 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Tue, 22 May 2012 12:17:17 +0200
Subject: [PATCH] Bugfix: with 0 solid layers, no infill was generated at all
 on fist and last layer. #325

---
 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 ec837b16..e886e49a 100644
--- a/lib/Slic3r/Layer.pm
+++ b/lib/Slic3r/Layer.pm
@@ -342,7 +342,7 @@ sub prepare_fill_surfaces {
     
     # remove top/bottom surfaces
     if ($Slic3r::solid_layers == 0) {
-        @surfaces = grep $_->surface_type == S_TYPE_INTERNAL, @surfaces;
+        $_->surface_type(S_TYPE_INTERNAL) for grep $_->surface_type != S_TYPE_INTERNAL, @surfaces;
     }
     
     # remove internal surfaces