3D Printable Speaker

I got inspired by the Kit of No Parts:
http://web.media.mit.edu/~plusea/

And decided it was high time to make a 3D printable speaker prototype. I turned the basic design of a speaker upside down and put the coil on the bottom to simplify construction. (With magnets being as strong as they are lately this is probably fine.)

You'll need a strong, light magnet (the little cube ones from makerbot are probably ideal) paper, and magnet wire.

Once my ToM is constructed, I'll edit in my expe