Screens are everywhere! Anything can be a screen. Anything. Generally you want it to be light-colored (like a white, cream or very light gray) and reflective. But you can use everything from walls to ceilings to curtains to bedsheets to professional-grade material from Rosebrand. Here are a few options:
Hang the material or stretch it around a frame. Some groups have even built their own frames out of wood or PVC piping. There are a lot of decent DIY (Do It Yourself) videos on YouTube that can help, like this one.
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