Penrose triangle
Oscar Reutersvärd; independently Lionel & Roger Penrose
Three convincing corners. One impossible connection.
Impossible objects / 2022 drawing
Penrose torus
A ring-like solid cannot keep its surfaces consistent.
TRY THIS
View larger, then trace one connected edge all the way through the object. Compare the local joins with the whole shape.
THE IMAGE IN THIS ARCHIVE
English
Original file & attribution · CC0
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Download imageFrequently asked questions
What is Penrose torus?
A ring-like solid cannot keep its surfaces consistent.
What should I look for in Penrose torus?
View larger, then trace one connected edge all the way through the object. Compare the local joins with the whole shape.
What explains Penrose torus?
Trace a surface around the apparent torus. The visible transitions turn a familiar ring shape into a contradictory solid interpretation.
Another way to see it
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Impossible cube
M. C. Escher; modern redraw by 4C and Belbury
A familiar cube frame acquires an impossible set of overlaps.
