PDF with photos  HERE   Start with a strip of aluminum polished with sandpaper grades 120  800 wipe down.  aluminum strip is 1"x1/16" Mark 2 hole locations   1/2"  and then 1 1/2" inches from that. 1/8" bit.   Tools I use:   120 and 800 sandpaper and a towel. Slotted screwdriver TIn Snips 2 C clamps ruler sharpie slow speed drill and 1/8" bit 1 1/8" aluminum bar for side one of bending brake 2 1