EntityQ1464984· pop 15· linked from 127 articlesimpossible cubeSign in to savea visual illusion depicting an apparently impossible three-dimensional framework, invented by M.C. EscherConnectionsimpossible tridentEntityRotterdamEntityInternational Standard Book NumberEntityInnsbruckEntitycubeEntitydigital object identifierEntityM. C. EscherEntityillusionEntityQ180686EntityJSTOREntitybibcodeEntityoptical illusionEntityperspectiveEntityop artEntityScientific AmericanEntitytrompe-l'œilEntityambigramEntityPenrose triangleEntityJohn BarrowEntityimpossible objectEntityCategoriesCubesImpossible objectsM. C. EscherOptical illusions