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Impossible triangle [message #23622] Wed, 09 February 2011 16:54 UTC Go to next message
avatar kontor_apart  is currently offline kontor_apart
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As promised earlier, a few pictures of our take at the impossible triangle. In contrat to other attempts to create such a thing, it does not contain any hidden twists or openings.

The illusion works very nicely from a reasonable distance and with proper light. Wish we could make it a lot bigger....

If you are into optical illusions, check it out.

../modules/udesign/utils/openfile.php?id=206411&f=photos/photo34346.jpg

- 2-Mar-2011: image updated -

[Updated on: Wed, 02 March 2011 16:27 UTC]

Re: Impossible triangle [message #23647 is a reply to message #23622 ] Thu, 10 February 2011 05:31 UTC Go to previous messageGo to next message
avatar bitstoatoms  is currently offline bitstoatoms
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Cool/weird

Do you have any images on a plain background so we can see what is happening here?

One in the palm of a hand would be cool too?

Cheers
Re: Impossible triangle [message #23649 is a reply to message #23647 ] Thu, 10 February 2011 08:40 UTC Go to previous messageGo to next message
avatar kontor_apart  is currently offline kontor_apart
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Sure we can ... index.php?t=getfile&id=7038&private=0
index.php?t=getfile&id=7452&private=0
2-Mar-2011 image updated

[Updated on: Wed, 02 March 2011 16:36 UTC]

Re: Impossible triangle [message #23657 is a reply to message #23649 ] Thu, 10 February 2011 12:02 UTC Go to previous messageGo to next message
avatar Wahtah  is currently offline Wahtah
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Also a picture from different angles would be nice, if it's not too much trouble Very Happy

I tried to look at it in 3d view in your shop but I get this:

index.php?t=getfile&id=7043&private=0

Of course, it is an impossible shape, so that would explain it I guess...

Re: Impossible triangle [message #23658 is a reply to message #23657 ] Thu, 10 February 2011 12:50 UTC Go to previous messageGo to next message
avatar kontor_apart  is currently offline kontor_apart
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As the description already says:
Quote:

In order not to spoil the visual experience, the ability to view the 3D model has been deliberately removed from this page.


Re: Impossible triangle [message #23662 is a reply to message #23658 ] Thu, 10 February 2011 14:35 UTC Go to previous messageGo to next message
avatar Wahtah  is currently offline Wahtah
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What, you think people actually read that Wink Sorry... I wasn't expecting such secrecy, I'd want to know what I was getting before forking out 60 euros, but that's just me Smile
icon14.gif  Re: Impossible triangle [message #23691 is a reply to message #23662 ] Thu, 10 February 2011 20:57 UTC Go to previous messageGo to next message
avatar Wahtah  is currently offline Wahtah
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Oh wait, I see what you did, that's brilliant... petje af Wink Everybody should get one! It's definitely worth it...
Re: Impossible triangle [message #23695 is a reply to message #23691 ] Thu, 10 February 2011 21:23 UTC Go to previous messageGo to next message
avatar stop4stuff  is currently offline stop4stuff
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Wahtah wrote on Thu, 10 February 2011 20:57

Oh wait, I see what you did, that's brilliant... petje af Wink Everybody should get one! It's definitely worth it...


got it Very Happy [edit: figured it out]
very neat

[Updated on: Thu, 10 February 2011 21:23 UTC]

Re: Impossible triangle [message #23701 is a reply to message #23657 ] Thu, 10 February 2011 22:03 UTC Go to previous messageGo to next message
avatar stannum  is currently offline stannum
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Hmmm... Sandstone & (mostly/fully) flat. Maybe alumide with slight non flat or textured top (wild and second guess, all alumide experience based in photos)...hhmmm
Re: Impossible triangle [message #23752 is a reply to message #23701 ] Sat, 12 February 2011 16:54 UTC Go to previous messageGo to next message
avatar gibell  is currently offline gibell
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Wow, that's pretty cool! Are all the "cubes" the same size, or did you make them bigger to make the perspective correct from a fixed distance?

And how did you disable the 3D view? Ahhh ... it is co-creator, sneaky!

[Updated on: Sat, 12 February 2011 17:47 UTC]

Re: Impossible triangle [message #23757 is a reply to message #23752 ] Sat, 12 February 2011 19:33 UTC Go to previous messageGo to next message
avatar Charmed_Life_Designs  is currently offline Charmed_Life_Designs
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Gah, I think I see what you did there. Sneaky, very sneaky.

What material was that printed in? It looks like WSF to me, but I'm not sure...


When in doubt... Duct tape!
Re: Impossible triangle [message #23804 is a reply to message #23757 ] Mon, 14 February 2011 08:18 UTC Go to previous messageGo to next message
avatar kontor_apart  is currently offline kontor_apart
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It's actually Alumide and we're thinking of a larger version in one of the other plastics, possibly white or black detail.
Re: Impossible triangle [message #23828 is a reply to message #23804 ] Mon, 14 February 2011 19:26 UTC Go to previous messageGo to next message
avatar Magic  is currently offline Magic
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Very clever design, congrats. Thumbs Up
May I suggest bevelling all the edges?


So many things to design, so little time...
Re: Impossible triangle [message #23914 is a reply to message #23828 ] Wed, 16 February 2011 14:47 UTC Go to previous messageGo to next message
avatar kontor_apart  is currently offline kontor_apart
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We are working on a beveled version.

Due to popular demand, there is now also a video of the product.

[Updated on: Wed, 02 March 2011 17:00 UTC]

Re: Impossible triangle [message #23919 is a reply to message #23914 ] Wed, 16 February 2011 17:57 UTC Go to previous messageGo to next message
avatar Charmed_Life_Designs  is currently offline Charmed_Life_Designs
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I was even expecting it and it still blew my mind. I love illusions like that. Well done, and thanks for the video!


When in doubt... Duct tape!
Re: Impossible triangle [message #23949 is a reply to message #23919 ] Thu, 17 February 2011 07:12 UTC Go to previous messageGo to next message
avatar chaitanyak  is currently offline chaitanyak
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blew my mind
Re: Impossible triangle [message #23994 is a reply to message #23949 ] Thu, 17 February 2011 23:27 UTC Go to previous messageGo to next message
avatar Gijs  is currently offline Gijs
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nice...

now the next challenge is to build this Smile
Re: Impossible triangle [message #23999 is a reply to message #23994 ] Fri, 18 February 2011 02:39 UTC Go to previous messageGo to next message
avatar WillLaPuerta  is currently offline WillLaPuerta
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OH GODS, the video! Even after I figured out how it was working that darn thing kept fooling my eyes!


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Re: Impossible triangle [message #24006 is a reply to message #23994 ] Fri, 18 February 2011 05:48 UTC Go to previous messageGo to next message
avatar chaitanyak  is currently offline chaitanyak
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he he..
found that myself last night.. thought of your triangle then Smile
Re: Impossible triangle [message #24023 is a reply to message #23622 ] Fri, 18 February 2011 16:24 UTC Go to previous messageGo to next message
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The video is great and seems to reinforce the optical illusion. The hand turns one way, while the model seems to turn the other. Smile
Re: Impossible triangle [message #24030 is a reply to message #24023 ] Fri, 18 February 2011 16:52 UTC Go to previous messageGo to next message
avatar gibell  is currently offline gibell
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horst wrote on Fri, 18 February 2011 16:24

The video is great and seems to reinforce the optical illusion. The hand turns one way, while the model seems to turn the other. Smile

Indeed, the video is very well done!! I agree the model seems to turn in the opposite direction from the hand, and this is reminiscent of a hollow face illusion. I think something similar may be going on.

Often videos of an optical illusion are taken from a fixed point, and the object does not rotate. For example, the waterfall video that was mentioned. But the Impossible Triangle shows the object rotating! Well done! Very Happy Somebody order one and show us what is really going on!

Re: Impossible triangle [message #24093 is a reply to message #23622 ] Mon, 21 February 2011 09:06 UTC Go to previous messageGo to next message
avatar kontor_apart  is currently offline kontor_apart
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27-Jan-2011: Rendering of the original design were published
09-Feb-2011: Photos of the actual printed object were published
21-Feb-2011: I hereby release the design files for this model to the public domain.


You are free to download the files, copy, upload elsewhere, changed or unchanged, give them away for free or for a charge, under your own name or another, or anything else that may come into your mind.

Do whatever you like and may the community have fun.

  • Attachment: lmaa.zip
    (Size: 22.41KB, Downloaded 263 time(s))

Re: Impossible triangle [message #24099 is a reply to message #24093 ] Mon, 21 February 2011 11:23 UTC Go to previous messageGo to next message
avatar bitstoatoms  is currently offline bitstoatoms
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Thanks for sharing!
Sorry it was under such circumstances.

Looking forward to your next mind bender.


Duann Scott

s/t for the dice-lovers [message #24399 is a reply to message #23622 ] Wed, 02 March 2011 17:35 UTC Go to previous messageGo to next message
avatar kontor_apart  is currently offline kontor_apart
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An update which may appeal to the dice-lovers.

Re: s/t for the dice-lovers [message #24400 is a reply to message #24399 ] Wed, 02 March 2011 17:48 UTC Go to previous messageGo to next message
avatar stop4stuff  is currently offline stop4stuff
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Great idea and looks just as good! http://www.shapeways.com/forum/images/message_icons/icon14.gif

Re: Impossible triangle [message #24401 is a reply to message #23622 ] Wed, 02 March 2011 17:49 UTC Go to previous messageGo to next message
avatar Youknowwho4eva  is currently offline Youknowwho4eva
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Ha! I love it.


I learned a long time ago the wisest thing I can do is be on my own side, be an advocate for myself and others like me. -Maya Angelou
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Re: s/t for the dice-lovers [message #24403 is a reply to message #24399 ] Wed, 02 March 2011 20:03 UTC Go to previous message
avatar ana  is currently offline ana
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Go Ulrich! Smile


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