Penrose triangle
Oscar Reutersvärd; independently Lionel & Roger Penrose
Three convincing corners. One impossible connection.
Impossible objects / Modern drawing
Trimetric cube triangle
A tribar is assembled from blocks in a trimetric view.
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
Cmglee
Original file & attribution · CC BY-SA 4.0
This locally stored image is a Wikimedia Commons rendition (resized or rendered from the source file). The full original is linked from the source record. Gallery previews may be resized or converted to WebP; animated previews show the first frame.
Download imageFrequently asked questions
What is Trimetric cube triangle?
A tribar is assembled from blocks in a trimetric view.
What should I look for in Trimetric cube triangle?
View larger, then trace one connected edge all the way through the object. Compare the local joins with the whole shape.
What explains Trimetric cube triangle?
The cube-like blocks suggest solid depth along each side. Their overall triangular connection does not fit the spatial arrangement those blocks imply.
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.
