Quote Originally Posted by Clive S View Post
The way I read it, is that he is using 1 stepper with a belt connecting 4 screws and the screws are going out of sync.

I think he is using the 4 screws to just lower or higher his bed. (one at each corner)

If that is the case the rising edge thing is nothing to do with it.
ok. you are right. i misread what he said. then very simple,all screws are not perfectly square maybe? each screw lowers a bit differently, assuming he has all connected with one belt.


Kev, why dont you show us what exactly you are dong?