Wall-Mountable Keyboard and Mouse Stand

Was looking to store my keyboard/mouse above my workbench. I modified the original design by:
a) adding a mounting block in the back
b) adding screw holes (with a flared entry for the screw head)
c) adding cut-outs to the divider to enable easy access by a screw driver
d) adding reinforcing struts on the bottom to give it more rigidity.

Using PETG, the print is fairly sturdy -- but I'm also using a lighter keyboard/mouse set (Logitech MK270: https://smile.amazon.com/gp/product/B0