Clarity – It’s an illusion
Here’s a neat trick. And even more so, it’s a neat trick to illustrate this illusion. A picture is worth a thousand words. Succinctly, look at picture and one and two. Yes, do a double take. The facing wall is wood art. Brilliant! 3D from 2D. I think I got it illustrated well. And you still don’t get it? Look. Look. Again. Ah!