From e593a30fc7f31a936803b4057b894f8e15e597cc Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Wed, 6 Feb 2013 10:40:08 +0100
Subject: [PATCH] Skip support material for one-layer objects

---
 lib/Slic3r/Print/Object.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Slic3r/Print/Object.pm b/lib/Slic3r/Print/Object.pm
index ceeda2646..592380e29 100644
--- a/lib/Slic3r/Print/Object.pm
+++ b/lib/Slic3r/Print/Object.pm
@@ -578,6 +578,7 @@ sub combine_infill {
 
 sub generate_support_material {
     my $self = shift;
+    return if $self->layer_count < 2;
     
     my $threshold_rad = $Slic3r::Config->support_material_threshold
                         ? deg2rad($Slic3r::Config->support_material_threshold + 1)  # +1 makes the threshold inclusive