Community Tip - Learn all about the Community Ranking System, a fun gamification element of the PTC Community. X
Most people will be familiar with the Impossible triangle, often referred to as the Penrose triangle and the classic solution with a gap at one corner. The illusion only works looking from one viewpoint and with monocular vision.
This PTC Creo model show an alternative solution with no gap between the three elements. It too only works from a single viewpoint (and from behind) and with monocular vision.