Raspberry Pi 7 inch LCD stand

This remix has:
- Enlarged counter bore allowing flanged screws to be used.
- Shallower bore allowing short screws be used (6mm length minimum (4mm threaded length/2mm head)
- Bottom screws have offset clearance cutout in the leg for large screwdrivers.
- Slightly more clearance around the USB port nearest to the leg (makes it stand 2mm taller)
- Slightly wider legs to recoved lost strength due to clearance hole.

Please note there is a left and a right (you can swap them around if you li