Diy epoxy resin trackball for new project : r/Trackballs
DIY ergonomic trackball
GitHub - jfedor2/two-ball-trackball: DIY trackball with two balls
Make Your Own Mouse Trackball : 4 Steps - Instructables
SparkFun Electronics on Twitter: "A billiard ball finds a new home in this custom trackball mouse project. #DIY https://t.co/lJOHkI4Jps https://t.co/jLvFMIkkdS" / Twitter
Tribology – DIY Trackball #2 – Madox.NET
Custom Trackball - deskthority
Ultimate GREEN DIY Trackball Mouse From Junk : 10 Steps (with Pictures) - Instructables