Golf Ball Belt Clip
by TheKre8Group, published
This belt clip securely holds two golf balls around your belt for easy access.
STL files provide FDM friendly belt clips with and without text.
It can also be purchased on Shapeways : http://www.shapeways.com/shops/PrototypeAsia
Print at a 45 degree XY angle to avoid too much rocking on the narrow parts.