From eeb1baf352e2d7a7065981c9d83dd30c3a351242 Mon Sep 17 00:00:00 2001
From: Florian Festi <florian@festi.info>
Date: Sat, 1 Feb 2020 15:30:53 +0100
Subject: [PATCH] Gear: don't allow less than 2 teeth

---
 boxes/generators/gear.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/boxes/generators/gear.py b/boxes/generators/gear.py
index c74fe83..f5b7fea 100644
--- a/boxes/generators/gear.py
+++ b/boxes/generators/gear.py
@@ -57,6 +57,9 @@ class Gears(Boxes):
         # adjust to the variables you want in the local scope
         t = self.thickness
 
+        self.teeth1 = max(2, self.teeth1)
+        self.teeth2 = max(2, self.teeth2)
+
         if not self.shaft2:
             self.shaft2 = self.shaft1
         if not self.dpercentage2: