Building the Steam Controller, by Valve Interesting look at the manufacturing process of game controller manufacturing. Facebook Prev Article Next Article Machinery Checkout these cool gadgets... Related Posts World’s First Color Multi-material 3D Printer Twisted Helical End Drill Reduces Cutting Resistance The Only Handheld Printer You’ll Ever Need The Oriental Rug Cleaning Process – this is some serious, next level rug cleaning Science and Post-It notes power this Rube Goldberg machine These are the Mecanum wheels. They don’t require steering to turn the vehicle.