2 types of led embedded acrylic letter sign

[@Brand_One]

How do you bevel the edges like that and get the back of the letter cleared out?

[@COSUNSign]

Hello, I am glad to receive your inquiry. Please communicate via email（[e-mail]），Thank you

[@vishwakarmaledsignageart1532]

Sir we liked all your videos very much and i do the same thing

[@COSUNSign]

Thanks!