5mm Led Diffuser

This fits a 5mm Led perfectly
Transparent Filament should used
Outside Diameter is only 12mm
Check in the Thingview to see inside

Website for configuring resistors for LED's for different power supply voltages
LED calculator: current limiting resistor value http://led.linear1.org/1led.wiz

LED series/parallel array http://led.linear1.org/led.wiz