20 Link Chain Generator
thingiverse
This is a customized version of the item available at http://www.thingiverse.com/thing:28405, created using Customizer (http://www.thingiverse.com/apps/customizer/run?thing_id=28405). For personalization, it has been set with a pitch of 12, starting radius r0 as 20, total height t measuring 3.5 units, a diameter d of 15, length l equaling 20 units, 20 links, and a spiral type.
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