USB Microscope stand

Microscope stand for simple USB camera microscope.
Lover desk part can be cut from any plastic or printed.
I have used ABS, but any plastic can be used.
Real resolution of this microscope is 50-250.
BOM:
2x M8 thread rod 200-250mm
8x M8 nut
4x m3x16 din 963 (or similar shape)
4x m3 nylock nut
4x m4x50 heax head (or m4 threaded rod)
7x M4x40 imbus head
10x m4 nylock nut
8x cheap 624zz bearing
printed plastic parts
usb microscope (chinese 15$ any type will work, just remember 1600x