Just a little pen thing I made to fill time. Inspired by a project like this I found, can't find it, I liked it so I made one myself. It is always drawing half circles, a little further than the last time it was drawn. The farther out the crescent, the faster it spins. Instructions S to show speed H to hide speed R to set speed to 0 Up and Down Arrow Keys to set speed to 0 and rotate it yourself. F to show FPS
