English: Truncated icosahedron or soccer ball shape, which Leonardo da Vinci called Ycocedron Abscisus Vacuus. Speculative reconstruction is made of cherry, about 14 inches in diameter. A total of 180 pieces of wood were cut and assembled to make it. by George W. Hart

From: Leonardo da Vinci Sculpture Project

> Von: <George W. Hart>
> An: <Welt-der-Form>
> Datum: 25-Apr-2014 18:21:05 +0200
> Betreff: Re: Request 4 photo --> Wikipedia ?
>
> Dear Thomas,
>
> Here is an image of the Leonardo model. For this one I would like
> attribution, so please release it with a CC-BY-SA license. The caption
> might say something like "wooden model (cherry, 35 cm diameter) by
> George Hart of a truncated icosahedron, inspired by a Leonardo da Vinci
> drawing"
>
> George

> http://georgehart.com/