
“This photo has not been edited one bit. This is a picture of the penrose impossible triangle that is sitting in front of me on my desk. If I look at it from the right angle, it appears exactly as it does in the picture above. Many people think it can’t be done. But it is actually possible! And now, you can build your own “impossible triangle” in less than 5 minutes!
How did I do it? First, I studied the triangle, look at all the angles. Next, I whipped out my trusty scissors and started cutting away. It was a blur of strips of paper flying in the air and hitting the floor. And when I finished with some very pretty snowflakes… I got to work on doing the impossible. The impossible triangle, that is.
Many other sources said it couldn’t be built, but I knew I had remembered seeing some pictures of it…
Honestly, after many hours of trial and error, I have come up with what I believe to be the best (and easiest) way to make your own. To make this incredibly easy, just download and print the PDF.”
Read more at Cool Optical Illusions (Thanks Tracey)



So easy! So cool!
Just looking at that picture makes my brain hurt.
Definately going to build one though, thanks for the instructions!!
Hm … you probably should not use too light paper ..
KEWL! like a mobius strip or a klein bottle!
Did someone say ‘Snowflake’..?!
I made mine! http://img291.imageshack.us/img291/618/penrose.jpg Slight problem lining up but not bad.
@JayKay – Yes, I’m getting a bit twitchy now that there’s new telly business afoot.
@Llama – buluddy show off, haha! Excellent!
…now we just need a highly improbable eye to go in the middle…
@Llama I am very impressed.
Haha, thanks guys. It’s a b**** to line up the photo right!
Well nothing better to do with my Sunday afternoon so thought I would have a go at one 5 hours later this is my best effort
not as good as yours @Llama its so difficult getting the camera angle right. anyway here it is.
http://img96.imageshack.us/i/impossibletriangle.jpg/
Wow guys. Appreciate the link! I was looking at my website logs and found that you linked to me from this site. It was me who created the printable triangle cutout and that’s my site, coolopticalillusions.com.
I’m a big fan of Derren Brown, and I’m actually a professional magician myself. Where I can in my act, I use proven principles of optical illusions and psychology to further enhance the effect of a trick.
Help me out… if you created your own triangle after following the template, take a pictureand don’t just post it to this site, but go to coolopticalillusions.com and contact me from there! Or I think my email is on that printable form too.
The impossible triangle has now its own log: http://www.triangleimpossible.com