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Super quick and cheap trackball
Posted: May 18th, 2010, 8:53am MDT by Caleb Kraft
[Elgatoandaluz] has posted this guide on how to tear apart a standard optical mouse and build a custom trackball. He’s using a ping pong ball , mounted above the laser as the trackball itself, which seems like it would be a little lite, but functional. The case is scrap cardboard. We really like that you [...]