This is a Cover of a Roller faceplate common in Central Europe.

Screw holes are 165mm apart, both holes are recessed. 

The side slid should be wide enough for all Roller belts  on the market. 

Please make sure to print with at least 4 wall loops to make everything sturdy enough

- No support

- Use 4 wall loops

- Infill can be anything from 15% onwards

- PLA is a good material for this print