Always been a fan of the radioactivity sign, so now that i finally have my own 3D printer i couldn't resist to make my own extruder indicator!
Compliment it with:
40x40 Fan Cover Radioactive/honeycomb
https://www.printables.com/model/915289-40x40-fan-cover-radioactivehoneycomb
5015 fan cover Radioactive/honeycomb
https://www.printables.com/model/918192-5015-fan-cover-radioactivehoneycomb
Ender 3 V3 SE knob Radioactive Knob
https://www.printables.com/model/905121-ender-3-v3-se-knob-radioactive-sign
The author marked this model as their own original creation.