Quote Originally Posted by M250cnc View Post
They are cylindrical, no i didn't use soft jaws
Hmm, so did you machine them all in one operation? Or are you not disclosing how :naughty: I saw the other thread about it here a while ago.

By cylindrical I mean mine were just prisms. I did it in the lathe by offsetting the center and machining it three times.

Quote Originally Posted by M250cnc View Post
i am rolling them using shiny clear perspex which is nice and hard.
Exactly - now use two pieces of perspex. That would be even more impressive.