Gear demonstrates how to build a simple DIY plastic foam cutter using a nine-volt battery and some wire. The video shows the device in action as it quickly cuts through a styrofoam board.
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How to Coat Styrofoam thumbnail
How to Cut Styrofoam. Lightweight and easy to paint, styrofoam is a great material for any number of arts and crafts. Cutting styrofoam into any shape you want is easy, but you'll need to choose the right tool for your needs.
Felt Ball Pattern - Six panel. Tutorial is for sewing but could be done with fabric (place points on bias), pin in place on Styrofoam ball and cover seams with ribbon.