I met Kaizen3D at 3DPrintopia. He sells diffraction grating build plates. They are allegedly higher quality than the cheap ones on Ali Express and Amazon. I ordered a few, and I'll report back when I receive them. (Backordered, as all the good things are.)
#holographic — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #holographic, aggregated by home.social.