Special:
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[DAT] (requires LDraw-compatible viewer)
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Subject:
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Re: MOC: Another Escher Picture - Ascending and Descending
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Newsgroups:
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lugnet.cad
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Date:
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Thu, 19 Sep 2002 18:06:33 GMT
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Viewed:
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1090 times
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In lugnet.announce.moc, Andrew Lipson writes:
> I've just finished another joint project with Daniel Shiu.
> This time it's Escher's "Ascending and Descending". You can
> find it at
>
> http://www.lipsons.pwp.blueyonder.co.uk/escher/ascending.html
>
> I haven't included any detail or "how we did it" pictures yet,
> but I'll try to put them up in another day or two.
I love these Escher sculptures! Make more please.
I suspect the secret to this one is all in the upper right corner.
A quick attempt to approximate it with LDRAW ends up like this.
1 2 0 0 0 1 0 0 0 1 0 0 0 1 4186.DAT
1 7 470 0 420 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 470 -24 300 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 470 -48 180 0 0 -1 0 1 0 1 0 0 3009.DAT
1 7 470 -72 60 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 470 -96 -60 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 470 -120 -180 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 400 -120 -230 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 280 -144 -230 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 160 -168 -230 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 40 -192 -230 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 0 -192 -230 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 -50 -192 -160 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 -50 -216 -40 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 -50 -240 80 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 -50 -240 120 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 20 -240 170 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 140 -264 170 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 260 -288 170 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 380 -312 170 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 380 -312 30 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 260 -288 30 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 140 -264 30 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 90 -216 -40 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 160 -168 -110 -1 0 0 0 1 0 0 0 -1 3009.DAT
1 7 280 -144 -110 1 0 0 0 1 0 0 0 1 3009.DAT
1 7 350 -96 -40 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 350 -72 80 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 350 -48 200 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 350 -24 320 0 0 1 0 1 0 -1 0 0 3009.DAT
1 7 460 -336 170 -1 0 0 0 1 0 0 0 -1 3004.DAT
1 7 460 -336 30 1 0 0 0 1 0 0 0 1 3004.DAT
1 7 100 -240 30 1 0 0 0 1 0 0 0 1 3004.DAT
1 7 100 -216 30 1 0 0 0 1 0 0 0 1 3004.DAT
1 7 90 -192 -100 0 0 -1 0 1 0 1 0 0 3004.DAT
1 7 90 -168 -100 0 0 1 0 1 0 -1 0 0 3004.DAT
1 7 340 -120 -110 1 0 0 0 1 0 0 0 1 3004.DAT
1 7 340 -96 -110 1 0 0 0 1 0 0 0 1 3004.DAT
1 7 350 -144 -110 1 0 0 0 1 0 0 0 1 3005.DAT
1 7 90 -216 -110 1 0 0 0 1 0 0 0 1 3005.DAT
View it from something like this angle and you begin to see the
illusion.
l3glite -J -s0.5 -a0.815008,0.152298,0.559068,0.28637,0.732895,-0.617121,
-0.503728,0.663063,0.553705 ascending.dat
Have fun,
Don
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