Original Usenet thread from alt.ascii-art, started 3 Jan 2005.
was: Impossible cube
alt.ascii-art
· 3 messages · 3 Jan 2005 - 9 Jan 2005
(diddled)
>>>>
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<<<<<
Here's another old one from somewhere or other...
______________________________
/ ________________________ \
/ \ \ / / \
/ \ \ \ / / / \
/ / \ \ \ / / / \ \
/ / \ \ \ / / / \ \
/ / \ \ \ / / / \ \
/ / \ \ \ / / / \ \
/ / \ \ \__________/_/_/_________\ \
/ / \ \_____________________________\
/ / / / _________________________ /
/ / / / / / / / / /
/ /____________/_/_/_______/ / / / /
/_____________________________/ / / /
\ _________________________ \ \ / /
\ \ / / / \ \ \ / /
\ \ / / / \ \ \ / /
\ \ / / / \ \ \ / /
\ \ / / / \ \ \ / /
\ \ / / / \ \ \ / /
\ / / / \ \ \ /
\ / /______________________\ \ /
\______________________________/
__ _______ ._________
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\ \ / \ / /____ / / | |
\ \/ /\ \/ _____/( ( | |
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\/ \/ \__/ |_|
w.t...@math.canterbury.ac.nz (Bill Taylor) wrote in message news:<716...@posting.google.com>... > Here's another old one from somewhere or other... > > ______________________________ > / ________________________ \ > / \ \ / / \ > / \ \ \ / / / \ > / / \ \ \ / / / \ \ > / / \ \ \ / / / \ \ > / / \ \ \ / / / \ \ > / / \ \ \ / / / \ \ > / / \ \ \__________/_/_/_________\ \ > / / \ \_____________________________\ > / / / / _________________________ / > / / / / / / / / / / > / /____________/_/_/_______/ / / / / > /_____________________________/ / / / > \ _________________________ \ \ / / > \ \ / / / \ \ \ / / > \ \ / / / \ \ \ / / > \ \ / / / \ \ \ / / > \ \ / / / \ \ \ / / > \ \ / / / \ \ \ / / > \ / / / \ \ \ / > \ / /______________________\ \ / > \______________________________/ > These cubes arent quite as impossible as they look. It is possible to construct one, and paint/print the necessary bit of misleading pattern onto the leg, so that when looked at from exactly the right angle, you see the pic above, when it really is a solid 3d shape. Put one in a box with a viewing pinhole and you get puzzled onlookers. Probly not explained it that well... NT
In article <a70...@posting.google.com>, N. Thornton wrote: > These cubes arent quite as impossible as they look. It is possible to > construct one, and paint/print the necessary bit of misleading pattern > onto the leg, so that when looked at from exactly the right angle, you > see the pic above, when it really is a solid 3d shape. > > Put one in a box with a viewing pinhole and you get puzzled onlookers. > > Probly not explained it that well... > Oh, well enough. You might find the animations in the 'Downloads' section of http://www.mcescher.com/ interesting. -- Aidan Karley, Geologist, "You are in a maze of twisty little presentation styles, all [different | alike]."
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