Prismatic Light diffuser acrylic – Which way is correct?
I am currently creating some 3D letters using Signblock. They are Halo effect and solid front and sides. The rear is Perspex’s K12 Prismatic diffuser. I have cut the backs so that the smooth side is ready to accept locators to fit to tray and the prismatic textured side is facing into the letter. Just had thought if that’s correct or if it matters? I have held a torch unto both sides in a dark room and can’t visually see any difference. Does anyone have any info on this? Thanks
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