This is a perfectly good piece of fabric but it ended up absorbing a lot more light from the colored LED light than I was expecting. If you want only a fraction of your light to get through and spread it very widely, this could be for you. For my application I got perfect results with a single sheet of wax paper. Photographers seem to know how much spread they need and when to use it. If you're just trying to soften the PAR light without losing much of it, try wax paper first.
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