FDM Speaker Experiment

Maker's Log, 20190525: I haven't got back to this because of a number of other more general, household printing jobs and lately, I had to rebuild my printer because of an extruder driver blowout on my Melzi board. The subsequent RAMPS/Marlin rebuild is taken longer than anticipated and I'm not sure I could even come close to the build quality of the initial diaphragm test print. So, while I seriously want to finish this project, my Tronxy built i3 clone is standing in the way of too many project