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Thread: Optical Illusion...thoughts, comments

  1. #1

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    Optical Illusion...thoughts, comments

    Are the pairs recessed, or raised?

    Optical Illusion...thoughts, comments

  2. #2
    rtbaum's Avatar
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    Re: Optical Illusion...thoughts, comments

    I have always loved this type of optical illusion; CiC has corrupted me into paying attention to the lighting. Based on reflected light off edges, it is raised

  3. #3
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    Re: Optical Illusion...thoughts, comments

    They look recessed to me but I am told I am wrong at least 50% of the time and don't get it right for the rest. The highlight along the edge is a worry though.

    P.S. It looks like it may have been embossed and the compression has caused a sheen on the materials surface - then again?
    Last edited by pnodrog; 25th September 2013 at 03:36 AM.

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    Re: Optical Illusion...thoughts, comments

    When I first look at it they actually appear recessed and I have to force myself to think of them as raised. Then it looks right.

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    Re: Optical Illusion...thoughts, comments

    Quote Originally Posted by Snowy55 View Post
    When I first look at it they actually appear recessed and I have to force myself to think of them as raised. Then it looks right.
    Exactly the same with me Barry. When I can see them as raised, I am convinced that this is how they actually are.

    Looks like the light is coming from about 45 deg.

    Dave

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    Andrew76's Avatar
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    Re: Optical Illusion...thoughts, comments

    I'm lost. I can't see them as raised no matter how hard I try.

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    Re: Optical Illusion...thoughts, comments

    Quote Originally Posted by dje View Post
    Exactly the same with me Barry. When I can see them as raised, I am convinced that this is how they actually are.

    Looks like the light is coming from about 45 deg.

    Dave
    I'm glad I'm not the only one Dave.

  8. #8

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    Re: Optical Illusion...thoughts, comments

    Took me a minute. They are raised. Very nice job.

  9. #9

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    Re: Optical Illusion...thoughts, comments

    Quote Originally Posted by Andrew76 View Post
    I'm lost. I can't see them as raised no matter how hard I try.
    Maybe it is because you are in the northern hemisphere.

  10. #10
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    Re: Optical Illusion...thoughts, comments

    If they are raised and assuming even directional lighting then the top surface material is darker than the base material provided we are not looking at a negative or a tone mapped image. The base material looks more worn/uneven than the recessed or raised material. Very hard to get wear on a recessed surface. It may of course be polish on a raised surface but I will stick to recessed.
    Last edited by pnodrog; 25th September 2013 at 05:32 AM.

  11. #11
    Stagecoach's Avatar
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    Re: Optical Illusion...thoughts, comments

    Raised, answer based upon the shadows.

  12. #12

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    Re: Optical Illusion...thoughts, comments

    I am with Andrew. I can only see them recessed. Then the shadows are sharper at the edge that causes them than on the surface where they land.

  13. #13
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    Re: Optical Illusion...thoughts, comments

    The highlights indicate that they must be raised.

    Philip

  14. #14
    Moderator Donald's Avatar
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    Re: Optical Illusion...thoughts, comments

    Quote Originally Posted by Snowy55 View Post
    Maybe it is because you are in the northern hemisphere.
    Quote Originally Posted by TonyW View Post
    I am with Andrew. I can only see them recessed.
    Nope, it's happening to southern hemisphere folks as well.

    I'm with those who wrote about seeing them recessed upon the immediate first view. But then that changed and I now can't see them recessed at all. And since I'm on the north-western fringes of Europe, I must be right!

  15. #15

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    Re: Optical Illusion...thoughts, comments

    After a glass of wine and dinner, they are now raised. They are shiny on top from having been driven on.

  16. #16

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    Re: Optical Illusion...thoughts, comments

    I duuno...does this help?

    Optical Illusion...thoughts, comments

  17. #17
    allenlennon's Avatar
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    Re: Optical Illusion...thoughts, comments

    at first i thought it was recessed, but when i read the first comment from randy i could easily see it is raised.

  18. #18
    Andrew76's Avatar
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    Re: Optical Illusion...thoughts, comments

    Looks like I should take Tony's advice, and drink more wine.

  19. #19
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    Re: Optical Illusion...thoughts, comments

    At first I couldn't manage it but then I knew it must be raised for drainage and eventually I saw it.

  20. #20

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    Re: Optical Illusion...thoughts, comments

    Perhaps if you look at the second picture in lightbox, and then click for full screen, that may help.

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