This is a standard lightswitch thats been design engineered to be exactly the same.
When manufacturing this switch it's important to use glow in the dark filament (sponcer). Using glow in the dark filament will allow the switch to glow when the lights are off.
Make this at home with your 3DPrinter
Infil 20%
20min print
1m layer height
Glow in the dark light switch
£3.99Price