From 3cf5f86ce0cc31198fff11332fb964cbf6fcbd8e Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sun, 4 Mar 2012 11:49:04 +0100
Subject: [PATCH] Avoid G92 for Mach3. #220

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

diff --git a/lib/Slic3r/Extruder.pm b/lib/Slic3r/Extruder.pm
index 68536924c..5d846f767 100644
--- a/lib/Slic3r/Extruder.pm
+++ b/lib/Slic3r/Extruder.pm
@@ -205,7 +205,7 @@ sub retract {
     
     # reset extrusion distance during retracts
     # this makes sure we leave sufficient precision in the firmware
-    if (!$Slic3r::use_relative_e_distances) {
+    if (!$Slic3r::use_relative_e_distances && $Slic3r::gcode_flavor ne 'mach3') {
         $gcode .= "G92 " . $Slic3r::extrusion_axis . "0\n";
         $self->extrusion_distance(0);
     }