I used to make this 102mm x 102mm x 270mm frame at the bench with a drill, drill bits, hole saws, an air saw, grinder and files. The results were functional but a lot of tidying up was required to make it look halfway pretty
It struck me last week that although my CNC mill didn't have the envelope for all of it, with the right fixturing I could do half a face at a time, this is how the prototype came out -
I wish I'd started learning with CNC years ago!