Anet A6 - A8 - Infitary- Prusa Table nut

Upgrade of table nut. It's more easy to level the table. Solve some issues about the size of other nuts.
Uses M3 nut provided with Anet A6 - A8 - Infitary.
Step M3 is 0.5mm so you can move printable from 0.025mm to 0.1mm and so on.