Ploopy has made a name for itself over the past few years by offering a line of customizable trackball mice with open source designs that allow you 3D print or modify your own device. The new model is ...

The Ploopy Adept Trackball is an input device that looks a bit like a Kenginston Expert trackball, but it has more buttons, a smaller trackball, a 3D-printed case, and a completely open source design.