(...) I have it on good authority that the number for this sprue is 4502. Make your feather-part be 4502A.DAT. If you make more of the parts from this sprue, use 4502B, 4502C, etc. going clockwise around the ring. You decide which way is clockwise. (...) (24 years ago, 7-Sep-00, to lugnet.cad.dev)
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