This array can be used either as a hanging sphere(oid), or as two hemispheres. Either way, the radiation pattern can be quite interesting. I like to p...
Step 3: Cut the hole for the top speaker
I would like to say that I was smart enough to have found a speaker and bowl combination that worked out like this, but I wasn't -- I got lucky. The speaker fits exactly inside the rubber ring on the bottom of the bowl.
Use the rotary tool and the cutting bit to remove the circle of plastic inside this foot.