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Introducing ABall... a DIY buttonless trackball! : r/Trackballs
DIY ergonomic trackball
Autodesk ASEAN on Twitter: "#DIY trackball design is easy with @AutodeskReMake and @adskFusion360: https://t.co/CbXtyZPnQD via @hackaday https://t.co/mCSiBZuLiX" / Twitter
This Odd-Looking DIY Keyboard Features a Built-In Trackball - Hackster.io