Proxxon MF-70 T-nut M4

Proxxon MF-70 T-nut M4.

UPDATE 2020/05 - added tolerance parameter in fusion360 design for easy tuning of the hex hole.
UPDATE 2019/04 - revised the design to make it stronger and use less material.
UPDATE 2019/02 - added Fusion360 source file.

Use:
- Print the part at 0.2mm layer height and 50% infill. Print it flat on the plate (rotate it 90 deg)
- Punch open the hole using a 4mm bit or a hobby cutter.
- Snap a M4 nut into the hole. Use pliers or a vice if needed.

PRINT WITHOUT