How do you fold a paper in to a brochure?

This is incredibly user friendly. It walks you through each step, allows you to upload photos for your brochure (even ones you created in "Paint") and allows you to save to your email (sorry, no way to save it directly to your computer). There is no cost. I just made a wonderful three fold brochure. Enjoy! Follow the link to mybrochuremaker.com

http://www.mybrochuremaker.com/free-brochure-template-fun.html

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Another way to answer to your question would be to help you gain the needed knowledge in order to understand the rules of creating a brochure.

A trifold brochure actually has 2 "spines" on which the brochure is folded. So the one sheet of paper gets two folds.

One of the folds will end up being "hidden" when the trifold brochure is closed.

That edge of the flap of the brochure that remains hidden needs to be a little bit far away from the other fold in the brochure. (if the flap went too deep inside, the other fold wold be disturbed). So make sure that the flap stays about 1/8" away of the other fold.

In short: to get a brochure designed correctly, two of the 3 panels should be the same width, while the third one (which is the one that will fold hidden) must be 1/8" shorter.

In addition you have the issue of the bleed. If you plan to have the images in your brochure go to the edge of the paper you'll need to make your artwork to bleed.

Here are a couple of links that will help you understand the bleed.

http://www.colorcopiesusa.com/color-copy-bleed.htm