All the parts were welded together, the
boltheads on the engine side were countersunk and the part was
ready. Next was drilling the clutch housing, inspired by Roman
Vaugnoux's work but drilled in a different pattern than he uses.
If you don't know his work check him out on Insta
here
, I love his work!
Ofcouse to figure out the hole pattern I used the CAD model