These wheels enable a car to move laterally along the ground. Inventor William Liddiard created these omnidirectional wheels and put them on his own car. Liddiard calls this "all-wheel drive." ...

Here’s a 3D printed Hemispherical Omnidirectional Gimballed Drive ... orientation with the HOG drive as the only powered ‘wheel’. But it’s not really a wheel, it’s a half-sphere (a ...