Here is the latest version of my base for edge lit acrylic signs... : r/3Dprinting
Best EDGE LIT Diffuser Channel on Amazon 2023 - LED Light Strip Diffuser - YouTube
A Hacker's Introduction To DIY Light Guide Plates | Hackaday
Amazon.com: Custom LED Edge Lit Acrylic Laser Engraved and Cut Sign 6"x6" or 8"x10" Lighted Acrylic Base With Remote You Choose the Text or Graphic : Handmade Products
LED Edge Lit Acrylic and Glass; Wall Displays, Tables, and Lamps