From 52ed2c6ea4af8d9a5549c65deca6af2d16a86856 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Tue, 30 Oct 2012 14:07:50 +0100
Subject: [PATCH] Make flow_spacing required for ExtrusionLoop objects too

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

diff --git a/lib/Slic3r/ExtrusionLoop.pm b/lib/Slic3r/ExtrusionLoop.pm
index ed89a6735..0a950eaf7 100644
--- a/lib/Slic3r/ExtrusionLoop.pm
+++ b/lib/Slic3r/ExtrusionLoop.pm
@@ -10,7 +10,7 @@ has 'polygon' => (
     handles     => [qw(is_printable nearest_point_index_to reverse)],
 );
 
-has 'flow_spacing' => (is => 'rw');
+has 'flow_spacing' => (is => 'rw', required => 1);
 
 # see EXTR_ROLE_* constants in ExtrusionPath.pm
 has 'role'         => (is => 'rw', required => 1);