I've been obsessed with weird 3Dconnexion Spacewhatever products for almost ten years now. From what I can tell, they've been building niche input devices for moving in 3D space since the early 2000s. My first purchase was a SpaceNavigator in 2013, for $100 on Kijiji. It's a little puck that sits on the desk and lets you move the cap in any direction - forward, back, up, down, left, right, pitch, yaw, roll