Ikosaeder?

how to make a parametric football out of a ikosaeder?
any idea

Ok, this is not Grasshopper but the plug-in RhinoPolyhedra may help you.

http://www.food4rhino.com/project/rhinopolyhedra?etx

thx, but is there a way to do the same in parametric (grasshopper)

Sure. Use Lunchbox for the Icosahedron.

Iko_football.gh (12.9 KB)

thx, for your solution …help alot