From 54cc6216a1870e2191807737527f8733bcc2d38b Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Mon, 17 Oct 2011 21:38:41 +0200
Subject: [PATCH] Bugfix: extrusion distance wasn't reset at print start,
 causing a possible huge retraction.

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

diff --git a/lib/Slic3r/Print.pm b/lib/Slic3r/Print.pm
index 4a80f834c..f6e230495 100644
--- a/lib/Slic3r/Print.pm
+++ b/lib/Slic3r/Print.pm
@@ -329,6 +329,7 @@ sub export_gcode {
     print  $fh "$Slic3r::start_gcode\n";
     print  $fh "G90 ; use absolute coordinates\n";
     print  $fh "G21 ; set units to millimeters\n";
+    print  $fh "G92 E0 ; reset extrusion distance\n";
     if ($Slic3r::use_relative_e_distances) {
         print $fh "M83 ; use relative distances for extrusion\n";
     } else {