Volkswagen Boxer Cylinder Head (Scale 1:3)

Hi,

for a friend I made a reconstruction of a Volkswagen Boxer cylinder head. He needed a scale-like model (scale 1:3) for his RC-plane. But only the cylinder heads, cause the crankcase isn't visible with his plane. I found some CAD files on the internet, but they are no longer online.

To get a realistic model of the cylinder head I splitted the complete head into three sections. So all cooling rips can be printed upright without support. After printing the parts can glued together with su