Brackets for K40 laser bed

By request these are the three pieces i designed for making a stepper-motor adjustable laser bed for the K40 laser.

These are specifically designed for use with:
- A 12x12mm wood rod, which you can saw to size. I found this at the local hardware store.
- 3 or 4 pieces of 8mm diameter lead screw (length about 100mm), with the accompanying nuts. I found these at Aliexpress, search for "T8 leadscrew 100mm"

There's a decent tolerance between the 12mm rod and the holes it fits into. You will