Made a simple Diffusor for a LED RGB Candle-Light in Tinkercad so it looks better in the modded little Halloween Pumpkin I also made. Easy to print. Maybe you must print it in 38mm (X/Y) size to fit better. Depends on how good you set your printer.
You can find the LED RGB Lights here on Amazon:
https://www.amazon.de/gp/product/B09T9M2RDK/
You can find the Remix of the little Pumpkin (where you can put in the LED Candle Lights) here:
https://www.printables.com/de/model/273879-resized-little-halloween-pumpkin-for-led-candle-li
The author marked this model as their own original creation.