soundBall prototype

This is a blue foam test cut for a dodecahedronal speaker - twelve full-range speakers mounted in modular tiles.  The original idea was to mill all the tiles from some beautiful reclaimed old-growth spruce, but the milling time for 24 tiles is prohibitive.  I'll probably cast them, either in acrylic or concrete (!). Its my first attempt at two-sided milling, and it worked pretty well.  I decided to use a caul rather than keep the piece secure with sprues and try to flip it and line it up exactly: