Summary

The model is symmetrical, print 2 pieces.
It is advisable to fill the model with more than 50% to make the part more rigid
The model was designed so that the Power Strip could be pulled out at any time. Moreover, the remaining space between the table and the Power Strip can be used for the management cable.
The model can be printed without supports if placed with the larger side to the print table.
My Power Strip size is 42 * 50mm
Diameter of holes for screws 3 mm