Razorfish is a little marketing company that has done some impressive things on Microsoft's Surface, things you may or may not have seen because that particular brand of pedestal hasn't exactly become a threat to the global dumbtable market. One of Razorfish's cool things is a so-called Surface Physics Illustrator called DaVinci, which lets a user doodle on the screen and turn those doodles into balls, boxes, levers, and fulcrums. Now that code has effectively ported that code over to Kinect, as you can see in the video below, letting you do the same sort of things but with thine