(NEW) Diffraction grating thin film materials are testing

by CK

Are they beautiful?
From the manufacturer’s demonstration, we see that the new material can "transfer" the holographic effect to your work
Amazing~~~~! :D

Let's do the test first, and then tell everyone the effect, I am looking forward to it!

(NEW) Diffraction grating thin film materials are testing(NEW) Diffraction grating thin film materials are testing(NEW) Diffraction grating thin film materials are testing


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