From 87f13cc5ff4ef31ef34bf76cc151c38e1203d3e1 Mon Sep 17 00:00:00 2001
From: Arne Durr <D-Byte@users.noreply.github.com>
Date: Sat, 6 Dec 2014 12:20:51 +0100
Subject: [PATCH] Update for Z carriage rendering

Small update for the z carriage motor gear
---
 Hardware/CYCLONE_2/Source_files/libs/gears.scad | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/Hardware/CYCLONE_2/Source_files/libs/gears.scad b/Hardware/CYCLONE_2/Source_files/libs/gears.scad
index b3fa0e4..6f71831 100644
--- a/Hardware/CYCLONE_2/Source_files/libs/gears.scad
+++ b/Hardware/CYCLONE_2/Source_files/libs/gears.scad
@@ -63,11 +63,13 @@ module herringbone_gear( teeth=12, circles=0, shaft=5 ) {
 				circles=circles,
 				twist=twist/teeth
 			);
-			mirror([0,0,1]) translate([0,0,-height/2-0.01]) {
-				difference() {
-					cylinder(r=diam/2, h=truncation_height);
-					translate([0,0,-0.01])
-						cylinder(r1=diam/2-truncation_length, r2=diam/2+1, h=truncation_height+0.02);
+			if (teeth>=10) {
+				mirror([0,0,1]) translate([0,0,-height/2-0.01]) {
+					difference() {
+						cylinder(r=diam/2, h=truncation_height);
+						translate([0,0,-0.01])
+							cylinder(r1=diam/2-truncation_length, r2=diam/2+1, h=truncation_height+0.02);
+					}
 				}
 			}
 		}