diff --git a/lib/Slic3r/GUI/Plater/2DToolpaths.pm b/lib/Slic3r/GUI/Plater/2DToolpaths.pm
index d766803bb..9daefa7bd 100644
--- a/lib/Slic3r/GUI/Plater/2DToolpaths.pm
+++ b/lib/Slic3r/GUI/Plater/2DToolpaths.pm
@@ -212,6 +212,14 @@ sub Render {
     glMatrixMode(GL_MODELVIEW);
     glLoadIdentity();
     
+    # anti-alias
+    if (0) {
+        glEnable(GL_LINE_SMOOTH);
+        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+        glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
+        glHint(GL_POLYGON_SMOOTH_HINT, GL_DONT_CARE);
+    }
+    
     my $tess = gluNewTess();
     gluTessCallback($tess, GLU_TESS_BEGIN,     'DEFAULT');
     gluTessCallback($tess, GLU_TESS_END,       'DEFAULT');