Penrose triangle
Oscar Reutersvärd; independently Lionel & Roger Penrose
Three convincing corners. One impossible connection.
Impossible objects / 2024 drawing
Impossible slat construction
A set of slats quietly changes its spatial relationships.
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
Mabit1
Original file & attribution · CC BY-SA 4.0
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Download imageFrequently asked questions
What is Impossible slat construction?
A set of slats quietly changes its spatial relationships.
What should I look for in Impossible slat construction?
View larger, then trace one connected edge all the way through the object. Compare the local joins with the whole shape.
What explains Impossible slat construction?
Follow individual slats through the picture instead of reading them as one structure. Their boundaries suggest incompatible connections.
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.
