Squash ball feet micro delta rework

===================================================================
[EN]
I originally used Mikanic's design -> https://www.thingiverse.com/thing:3163606 , but for some reason I had problems he had not have so i made my own design, directly screwed to the printer with 2x M2.5 screws per feet.

- The base of the feet is 3.5mm, with a little chamfer for the screw to enter, I used random screws so i don't know the exact length you should use.

- I designed the piece so it doesn't require supp