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Author Topic: Can you solve it? The incredible sponge puzzle  (Read 620 times)
Description: Alex Bellos s Monday puzzle in The Guardian
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claude
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« on: April 14, 2017, 01:00:04 AM »

https://www.theguardian.com/science/2017/apr/10/can-you-solve-it-the-incredible-sponge-puzzle
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clacker
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« Reply #1 on: April 14, 2017, 03:54:40 AM »

Thanks for posting that! Now I'm going through Hal Tenny's tutorial again to try learn slicing so I can slice the Menger in Mandelbulb 3D.
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DarkBeam
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Fragments of the fractal -like the tip of it


« Reply #2 on: April 14, 2017, 09:39:07 AM »

Add a rotate pretransform right before menger to get an inclined cut plane smiley
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No sweat, guardian of wisdom!
mclarekin
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« Reply #3 on: April 14, 2017, 11:31:44 AM »

Something like this?. But this is a tweaked guess without doing any maths


* amenger4.jpg (145.41 KB, 709x600 - viewed 131 times.)
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zebastian
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« Reply #4 on: April 14, 2017, 11:51:59 AM »

nice graeme  cheesy

IMHO thats a pretty usual result: 120deg mirrored "starry" structure.
Can you try with equirectangular projection exactly orthogonal and centered from the cutting plane? 
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mclarekin
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« Reply #5 on: April 14, 2017, 01:57:06 PM »

like this


* amenge12.jpg (92.23 KB, 680x683 - viewed 117 times.)
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clacker
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« Reply #6 on: April 14, 2017, 02:11:34 PM »

Here was mine.


* cut-menger.jpg (199.94 KB, 960x720 - viewed 127 times.)
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DarkBeam
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Fragments of the fractal -like the tip of it


« Reply #7 on: April 14, 2017, 06:21:19 PM »

Bingo cheesy
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No sweat, guardian of wisdom!
zebastian
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« Reply #8 on: April 15, 2017, 12:21:52 AM »

 afro thats it
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KRAFTWERK
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Virtual Surreality


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« Reply #9 on: April 17, 2017, 03:38:52 PM »

 A Beer Cup roll eyes
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