From 91e250a2fdc3c95bd2318709a089448cc85320ea Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Wed, 9 Nov 2011 09:21:09 +0100
Subject: [PATCH] Infill solid layers even when --fill-density is set to zero.
 #37

---
 lib/Slic3r/Fill.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Slic3r/Fill.pm b/lib/Slic3r/Fill.pm
index 0703fff6a..92e4d60af 100644
--- a/lib/Slic3r/Fill.pm
+++ b/lib/Slic3r/Fill.pm
@@ -40,12 +40,13 @@ sub make_fill {
             
             my $filler = $Slic3r::fill_type;
             my $density = $Slic3r::fill_density;
-            next SURFACE unless $density > 0;
             
             # force 100% density and rectilinear fill for external surfaces
             if ($surface->surface_type ne 'internal') {
                 $density = 1;
                 $filler = 'rectilinear';
+            } else {
+                next SURFACE unless $density > 0;
             }
             
             my @paths = $self->fillers->{$filler}->fill_surface(