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By on March 12, 2006, with 21 Comments

Could anyone build this triangle out of real material? With today’s technology, probably yes :)

Impossible Triangle Illusion

Comments

21 Responses
  1. Alasdair says:

    Today’s technology? Unnecessary.

    The Penrose illusion is fairly simple when you see it in person; its trick is of viewing angles, not materials.

    Indeed, one such triangle, made of bronze, is installed on the campus of Willamette University in Salem, Ore. It is across the creek from the university center and best viewed from the “back porch” of the UC.

    for what it is worth…

    • mcinjere says:

      worth a lot, cause if someone looked at this and couldnt think that this could not be built im seriously scared for the future

  2. Girl7 says:

    u can print a template to make that on http://www.coolopticalillusions.com

  3. Hai says:

    geez did ANYONE check out Impossibly Constructed Objects No.2!?

  4. Silje says:

    needs lots of physics and maths i guess… this site just makes me wanna finish school with da best maths n physics grades!! thanx…

  5. Sean The Guitarist says:

    WOW. havent we seen this like a million times??????

  6. Michael says:

    A simple way to construct an impossible triangle. Lay coins in a triangular outline as follows: Assume the triangle is apex up.Place first coin at apex. Place second coin below and to the left so that first coin overlaps it slightly.Place next coin below and to the left of the second so that it slightly overlaps the lower edge of the second coin. Place fourth coin so that it overlaps the third, as above.Repeat this with coins all around a triangular outline. When coin at apex is re-encountered place the upper edge of 12th coin beneath its lower edge. At the corners of the triangle the coin next beyond the corner should cover edges of both the preceeding coin and the one preceeding that. I used US quarter dollar coins, roughly an inch in diameter.

  7. Excite the exciting excite says:

    Yeah, i’m with Sean about that!

  8. T!NA says:

    Who said the ends were squared off?

  9. hahahahahahahhahahahaha says:

    I saw that in my illusions book, and I no how 2 construct it. It’s actually all twisted up, but the edges look straight from a certain angle. Did you really think you could trick everyone?

  10. Anonymous says:

    Theres a ZILLION of the same exact triangle illusion.MAKE ANOTHER IMPOSSIBLE OBJECT ALREADY

  11. seanki says:

    that tricks the brain. İt looks as if earther standing up,or sitting down.

  12. seanki says:

    the shadows and the corners ain’t right

  13. Stephanie says:

    Pretty cool, although this illusion is in nearly every single one of your other illusions. But alone it really stands out.

  14. VOLTAGE34 says:

    i can draw this

  15. Tanner Spears says:

    yeah, people can draw this, but if you pay attention to it, the inside has angles that go down, the angle of the light just messes people up… think about it if you don’t agree…

  16. Kris says:

    Yep, it can be made. Whoever said the back was flat?

  17. sizwe says:

    well this is a bit old and obvious give us a harder one

  18. steven says:

    there’s one in the center of town here it only looks like this from certain locations

  19. Maya says:

    it isn’t even a triangle.

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