Quoted from herg:
OK, STL file is posted to Thingiverse.
Dimensions are tweaked slightly for printing, but it still has the playfield clamping, etc.
I printed them on their side to make the thin piece stronger. The first two were looking great. The third one, the screw broke off while installing it. Yes, a steel screw sheared off while driving it about 1/4" into wood. [quoted image][quoted image]
For those of us without 3D printers, how long until we can find these for sale on your site, a la the speaker light diffusers?