Help understanding what went wrong - Shapeoko 5 pro 4x4

[WillAdams (William Adams (Carbide 3D))]

Where was the origin set in the file?

How did you set zero relative to the MDF slats?

The switches are used for homing only, not limits.

My suggestion would be to source a thin sheet of MDF and cut filler strips to lift up the current set (but I’m cheap) see:

A different sort of filler strip

Decided I wanted a slightly more efficient usage and mounting of filler strips, so this is what I came up with: the existing strips were cut off a bit shy of the working area at a 45 degree angle, and additional holes added to secure them just short of where the angle meets the baseplate underneath the wasteboard strips were then cut at a 45 degree angle so as to fit snugly underneath at the back, and at the front to fit, and a hole with a countersink to accommodate a nylon bolt was cut in the…