Tornado tensioner for 31x31 cm glass plate

The glass tensioner can be used with a 310x310mm glass plate.
If you have a 300x300mm or 12x12 inces glass plate, then you can use this link:
https://www.thingiverse.com/thing:3101734

Because of the tensioners low design, you will not lose any printing area when printing.
This glass tensioner uses a M4 nut as a thread.
This is a complete solution for printing on a glass plate with glass tensioners.

Previously there has been a problem with the bottom x-axis wheel colliding with the tens