Helical Burr

Puzzle Details

Size: height 6.2cm, diameter 6.2cm, inner diameter 4,1cm


External Links

Shapeways: Helical Burr (2.5" version)
http://www.shapeways.com/product/N99XRHJMG/helical-burr-2-5-quot-version?optionId=7721052&li=ostatu