[Jeffy]

Originally Posted by zachmartin1806

It depends on if we design it that way or we are trying to shed those last few tenths. For the most part we CAD everything lightening holes and all, then get center point dimensions from two edges of the part (top and one side usually) and take it out to the our 3-axis mill which has a digital read out. Once everything is set up it usually doesn't take that long. I hope that helps!

I'm more curious as to what tool you use to cut the holes out. We use 2.5 inch holes and have been cncing them.