Italian artist Alessandro Diddi creates forced-perspective illusions with cut paper, pencils, his hands and props—beyond that basic description however lies a lot of tricks that are hard to figure out. You can see his work on DeviantArt or Facebook, but he's getting a lot of attention today when as album of his work uploaded to imgur got 330,000 views in the 10 hours or so since it was posted. It's certainly raising a lot of questions, such as "whaa?" "but how?" and "where can I get one?"

Sources: amerxp00 on imgur | h/t kuortos on reddit