Website: thingiverse
Author: mctrivia
Price: Free Download
File format: .Stl 3d printable
Description:
This is a set of 17 rings from size 0 to 16. Each has the size of the ring inscribed into the ring. Print it yourself or get it printed for as low as $19.04 here http://shpws.me/3hkaadded small which is 106x102mm platform which should be printable on smaller platforms.