Carmen Harada Your glasses are lying on a piece of paper. You go to pick them up and---wait a minute! What looks like a three-dimensional object is actually just a flat plane. Due to a careful manipulation of perspective and shadow, as well as some serious drawing chops, you've been fooled into thinking a pencil sketch is an object leaping out from the page! Through use of perspective and, at times, cut paper to mimic an object's edge, these artists achieve a 3D effect that makes it look like the subject is leaping off the paper and out towards the...