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- Feb 28, 2008
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I just got a diffraction grating today that produces a starburst-type pattern, which will be really cool as soon as I get a fogger, but I'm also looking for one that will make a fan pattern. I have checked around on Ebay (where I got the starburst one from) but nothing there. Anyone know where I can get a diffraction grating that will make a fan effect?