A simple elegant fold to transform an A3 poster into a DVD jacket.
1 vertical black and white version on thin paper
1 horizontal color version on thick paper

Step 1: wash your hands, breath ...

Take an A3 paper, fold an angle to the opposite side's middle so you draw kind of a diagonal from a corner to the middle of the further opposite side (the short one).
Do the same symetricaly, it will overlap on a few centimeters.
Fold the long strip in it's center perpendicular to the long side.
Make a preparation diagonal fold before you transform it into a square by folding in the extremities toward the center.
You're done.

I recommend to use a paper to fold so your nails don't leave traces nor 'paint' the ink all over ... if you're using white paper mmmmmm so beautiful white paper ...

It would have been nice to see this in multiple steps instead of a multi-paned photo showing the steps too small to see. I can't make heads not tails from the instructions.
Hi, thanks for comment. If you want to see a larger image, just click on the image little "i" in the top left hand corner, you can even download the very large image and work it offline. Cheers.

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Bio: Protei Principal investigator [protei.org], Scoutbots CEO [scoutbots.com], Sugru Pro applications [sugru.com] Research & Design [cesarharada.com], Former MIT project leader, TED Senior Fellow.
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