I seek the mind of the hive. . .
Does anyone have (useful) suggestions on how to cut a rectangular piece of 3/8 inch aluminum plate into a 90mm round?
The tools I have available are a big drill press, vise, hacksaw and grinder. I don't want to have a center hole, so cutting it roughly to shape and using the drill press or grinder to finish the circle is out, unless there is some sort of super suction cup available.
Thanks for any help.