From fd2a5e894aac70de3f2883a505b7a89bcf8957d8 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Tue, 19 Mar 2013 11:58:03 +0100
Subject: [PATCH] Respect perimeter/infill order when multiple extruders are
 configured but only one is used

---
 lib/Slic3r/Print.pm | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/Slic3r/Print.pm b/lib/Slic3r/Print.pm
index e374a6cfad..dded13f5e1 100644
--- a/lib/Slic3r/Print.pm
+++ b/lib/Slic3r/Print.pm
@@ -927,9 +927,10 @@ sub write_gcode {
                         }
                     };
                     
-                    # give priority to infill if we were already using its extruder
+                    # give priority to infill if we were already using its extruder and it wouldn't
+                    # be good for perimeters
                     if ($Slic3r::Config->infill_first
-                        || ($gcodegen->multiple_extruders && $region->extruders->{infill} eq $gcodegen->extruder)) {
+                        || ($gcodegen->multiple_extruders && $region->extruders->{infill} eq $gcodegen->extruder) && $region->extruders->{infill} ne $region->extruders->{perimeter}) {
                         $extrude_fills->();
                         $extrude_perimeters->();
                     } else {