, 3rd edition !
Big Steampunk looking ring, with gears and pipes.
This version has a more aerial design than the previous and is made to follow the new casting materials of shapeways.
However, these modification forbid this model to be printed in Steel variants. If you want a ring in steel looking like this one, there is the v2 available here
Standard size have an inside diameter of 20,2mm.
Links to other sizes :
Size 8 (18.1mm)
Size 9 (19mm)
Size 10 (19.8mm)
Size 11 (20.6mm)
Size 12 (21.4mm)
Size 13 (22.1mm)