From b4a21bea40f812d2df929139a21cb498055da0ed Mon Sep 17 00:00:00 2001
From: Mark Hindess <soft-github@temporalanomaly.com>
Date: Fri, 29 Jun 2012 16:57:19 +0100
Subject: [PATCH] Fix for #499.

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

diff --git a/lib/Slic3r/Print/Object.pm b/lib/Slic3r/Print/Object.pm
index 902928310..423455a8a 100644
--- a/lib/Slic3r/Print/Object.pm
+++ b/lib/Slic3r/Print/Object.pm
@@ -514,7 +514,7 @@ sub generate_support_material {
                 [ map @$_, @current_support_regions ],
                 [ map @$_, map $_->expolygon->offset_ex($distance_from_object),  @{$layer->slices} ],
             );
-            $_->simplify(scale $layer->support_material_flow->spacing * 2) for @{$layers{$i}};
+            $_->simplify(scale $Slic3r::support_material_flow->spacing * 2) for @{$layers{$i}};
             
             # step 2: get layer overhangs and put them into queue for adding support inside lower layers
             # we need an angle threshold for this