by takuya, published
This is amendment of http://www.thingiverse.com/thing:50223
Fringe size is variable and Fringe anlgle is added for avoiding overhung.
Change the bellow parameters as you like on OpenScad
Export .stl file and print.
number of tooth
fringe angle 90/45
number of fringe 0 or 1 or 2
D cut on/off