Reach 3D feet, v-slot rail compatible feet

This is my first version for feet that can be attached to e.g. 2020 or 2040 v-slot rail with tee nuts.
Designed to use 2 Tee Nuts per foot, and 2 M5x10 (or M5x15 with spacers).

Disclaimer: I have not printed or tested this yet!
I do not know if the two inserts for M5 bolts will work, or if it weaken the the structure.

I will update with newer/different versions after testing and/or feedback.

Designed i Autodesk Fusion 360.