Penrose triangle
Oscar Reutersvärd; independently Lionel & Roger Penrose
Three convincing corners. One impossible connection.
Impossible objects / 2019 drawing
Impossible Valknut
Three interwoven triangles hide several impossible connections.
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
AnonMoos
Original file & attribution · Public domain
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Download imageFrequently asked questions
What is Impossible Valknut?
Three interwoven triangles hide several impossible connections.
What should I look for in Impossible Valknut?
View larger, then trace one connected edge all the way through the object. Compare the local joins with the whole shape.
What explains Impossible Valknut?
The drawing recasts the triangular Valknut motif as a Penrose-style construction. Trace each large triangle independently before looking at the small central triangle.
Another way to see it
Explore this category
Impossible cube
M. C. Escher; modern redraw by 4C and Belbury
A familiar cube frame acquires an impossible set of overlaps.
