David Macdonald created this LEGO version of the Penrose triangle (or impossible triangle) using 2D drawing and painting software. This work may not be as popular as his Terrace image, but it is always nice to see new interpretations of old illusions.

Impossible triangles, also known as Penrose triangles, have been featured on this site in the past.  The truth is, no optical illusion website would be complete without them since they represent a classic illusion that most people instantly recognize and appreciate.  Today’s illusion is a painting by artist Monika Buch featuring three impossible triangles that […]

The Penrose triangle was first created by Oscar Reutersvärd in the 1930’s.   It is also referred to as the Penrose tribar or the impossible triangle.  A figure of this shape could not possibly exist in the real world because of the way that it bends. It is, however, possible to create an impossible triangle that […]