This is a mod of https://www.thingiverse.com/thing:5329135 by https://www.thingiverse.com/tonyrod
I t5hought that design pretty good, thank you :)

The changes are..
Remove most of the base of the breadboard to save a bit of time and filament.
Make the screw holes fully through.
Add a panel for mounting 3 controls under the LCD. Note, the holes in the panel are undersized to allow enlarging to suit different pots/switches.
I have not got a suitable bread board so that area may be modifies later in another version to fit.
Also, the pictures have a thinner control panel than this file as it was a bit weak.