Penrose triangle - PATCHThe Penrose triangle, also known as the Penrose tribar, the impossible tribar, or the impossible triangle, is a triangular impossible object, an optical illusion consisting of an object which can be depicted in a perspective drawing, but cannot exist as a solid object. Penrose triangle as an embroidery patch! Embroidered patch with iron on backing. Size is 3 inch. Black and white in color. Ships worldwide! Design by Torvenius. + 2021 Torvenius