Amiga 500 Keystone Back Right Panel. Arduino Leonardo mount bracket

Amiga 500 Keystone Back Right Panel and Arduino Leonardo mount bracket for non-destructive upgrade to Amiga 500 case. This is somewhat a work in progress. Will keep improving and making updates. Use flat washers. Also use the plastic slide piece to lock in the keystone audio jacks (remove covering) such as these ... https://www.amazon.com/Monoprice-Keystone-Jack-3-5mm-Stereo/dp/B0069LR09I/ref=sr_1_5?ie=UTF8&qid=1538285337&sr=8-5&keywords=keystone+audio+jack
See the red arrow on the second