Portaprojectors allow you to set up a theater whereever you go, but without a suitable projection surface, your images will be dim, distorted, or otherwise difficult to view. When a smooth white wall isn’t available, a portable projection screen can come quite in handy. These instructions tell you how to make a screen quickly and inexpensively. Check out the comments section as well for addtional tips on how to improve your DIY pico-projector screen.

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