Penrose triangle
Oscar Reutersvärd; independently Lionel & Roger Penrose
Three convincing corners. One impossible connection.
Impossible objects / 2011 drawing
Axonometric paradox
An axonometric structure resists a single depth interpretation.
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
Nevit Dilmen (talk)
Original file & attribution · CC BY-SA 3.0
Original image downloaded from Wikimedia Commons; the downloaded file is unchanged. Gallery previews may be resized or converted to WebP; animated previews show the first frame.
Download imageFrequently asked questions
What is Axonometric paradox?
An axonometric structure resists a single depth interpretation.
What should I look for in Axonometric paradox?
View larger, then trace one connected edge all the way through the object. Compare the local joins with the whole shape.
What explains Axonometric paradox?
The image is interpreted as a solid under its stated isometric projection. Checking the joins exposes relationships that do not form one consistent object.
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.
