This is a 35 degrees mount for the Reolink doorbell, modeled as close as possible to the mounting wedge that comes in the box.
It is mounted in place of 85mm ABB socket center plate instead of its center plastic cover.
https://emikson.com/jussi-center-plate-blind-85mm-screw-fastening
Reolink_Doorbell_cover-mount_D.stl | 236.8KB |