TuFun
Riveter
Amazing how good 3d printing has developed! Kliment does some excellent 3d models also.
From this...
More pics here...
http://www.military-meshes.com/forum/showthread.php?5226-Bmw-r-75/page8
From this...
More pics here...
http://www.military-meshes.com/forum/showthread.php?5226-Bmw-r-75/page8