This remix accommodates larger screw head sizes at the expense of a 33% increase in bracket thickness. Uploaded as a STEP file for easy adjustments.
Print 2x in PLA/PETG (or ABS/ASA for higher temp tolerance) with 10-15% infill.
See original for installation instructions.
The author remixed this model.
Increased thickness, increased chamfer size, and added fillets along the bottom edge.