Check out this awesome 3D mouse you can build using some creative hacks!
I’ve been exploring 3D graphics using VVVV. One of the things you quickly learn when working in 3D is that doing anything with a 2D mouse is a pain. Particularly I found I was spending a lot of time shuffling the camera position which involves a tricky combination of keystrokes and mouse movements. I wanted to get a camera control that would allow me to fly the camera smoothly in 3D