This is the specific ring size (15:16) that I was looking for (and didn't find) that started me on this whole thing. :-P Franklin 0 1/4 Ring Radius 15:16 0 Name: 1-4rin15.dat 0 Author: Franklin W. Cain (fwcain@yahoo.com) 0 Unofficial Primitive 0 4 (...) (24 years ago, 30-Nov-00, to lugnet.cad.dat.parts.primitives)
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