Simple modular cable hider

Onshape link

A simple design to solve a persistent problem. Simply screw the bases and join with covers. Mitered versions are provided to conquer corners.

All parts are designed to print quickly, and the covers snap on without any additional adhesive or fasteners. The bases can be attached to the wall with screws or adhesive, as you prefer.

2023.12 UPDATE: Modified dimensions to make things sturdier.