My dorm thought it was a good idea to make the clear EXIT sign double sided... (X-post r/WCGW) : r/CrappyDesign
LumAware Clear Lucite 50' Visibility 5 fc Rated Energy-Free Photoluminescent UL924 Emergency Exit Sign LED Compliant - GR Outline CLR-GR-FM-FC-T - The Home Depot
10PCS/Lot Clear PMMA Led Exit Sign Light Ni-Cd1.2V 90Mins 3Hours Emergency Led Lights
This clear exit sign : r/CrappyDesign
NYC Approved Surface Edge-Lit Exit Sign, Battery Backup/ AC Only, Single Face, Red/Clear, 120/277V unlimitedlights.com