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.
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Change the bellow parameters as you like on OpenScad Export .stl file and print.
shaft diameter gear diameter gear hight number of tooth tooth shape fringe thickness fringe size fringe angle 90/45 number of fringe 0 or 1 or 2 D cut on/off