Drilling guide for mounting IKEA ATTEST handles onto doors

This is a drilling guide for mounting IKEA ATTEST handles onto doors.
The handles have two screw points at 123mm distance. The drill bit is 5mm.
This is labelled "Work in progress" because I noticed that the shortness of the wall on the long side allows this guide to flex and potentially misalign the screwholes on the door. I have made a new version of this guide and will update eventually. Also will upload the data for the distances of the centerpoints some day..

EDIT: The STL is of the