Here are the files for my Pentagram Cauldron,

I designed it to fit a Adafruit Circuit Playground then the "Filling" (Lid) to be printed in transparent fillament (or in Resin if you are lucky) to diffuse the Neopixels,

though a little bundle of String lights could give a nice effect too.

Note:- The Cauldron can be flipped over and printed on the rim, this way it won't need any supports

I hope you enjoy and

Happy Halloween