Website: thingiverse
Author: roman_hegglin
Price: Free Download
File format: .Stl 3d printable
Description:
Available in tree different sizes:Low, Med and High. Each has more and finer holes in the shell.What is a Voronoi diagramhttp://en.wikipedia.org/wiki/Voronoi_diagramhttp://en.wikipedia.org/wiki/Georgy_Voronoy