I made two so far. One is made from MatterHackers Clear Translucent MH Build Series PETG the other is made from Bambu Lab Translucent Olive PETG. They’ve been in use a few months now. I use wyze smart bulbs. They’re 12 watt LED’s, 1100 lumens, with a light source wattage of 75 Watts. We use them every night at varying brightness for 3-4 hours. No deformation at all.

Thank you for the quick answer. Very nice.