Folding the sheet seems like a good plan combined with the original extrusion.

Quote Originally Posted by Rogue View Post
which would accomodate NEMA 23, while a cut-away section would be needed to accomodate NEMA 34.
You will not need Nema 34 for this size machine so don't worry about it. The 3Nm nema 24 that lots of people use will be plenty.