Ploopy – Open-source hardware projects that don't suck.

Open, free designs Our products are accessible. We release all of the design files and source code for our products. Knowing what goes into our products helps you make the best purchasing decisions you can. Radical transparency We believe in giving our supporters all the information to make informed choices. That’s why we are committed to full transparency on parts, fabrication methods, and how it

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設計図がオープンソースで公開されているトラックボール。万が一開発元が販売を終了してもその気になればパーツを自作できるメリット。