Now, normally, when people say they’ve designed a 3-D Penrose triangle, all they’re really saying is that it looks, from some perspectives, like the 2-D representation of the triangle.

The Penrose Triangle is as elegant as it is impossible—much like M.C. Escher’s drawings, it presents a two-dimensional illusion that the eye interprets as three-dimensional. The task of ...

In case you weren’t aware, our logo here at The Verge is partly influenced by the Penrose triangle, an “impossible” design that originated in the artwork of M.C. Escher and Oscar ...

penrose-d Frustro is a typeface based on the Penrose triangle , an Escher-esqe "impossible object" that can't be fabricated by any earthly means. Save this story ...

But there was much more to Roger’s puzzling than this. People who know little else about what he did may be familiar with the Penrose triangle, which shares space with Escher’s prints on the walls of ...