I'll throw some of my stuff into this thread as well-
Here's my take on the saber on Thingiverse:
This is a replica of Rey's lightsaber from the final scenes of The Rise of Skywalker. Designed in Fusion360, printed on an Ender 3. It's made to fit over a 1" dowel or have couplings printed to fit it together. If you use the closed emitter, you'll need a 275mm (10 3/4") dowel. If you use the...
www.thingiverse.com
It's made to go over a 1" dowel. There's a closed emitter and an open emitter. There's a fixed cog switch and an rotating one. The rotating switch does not move the petals on the emitter.
My current WIP is taking that file and setting up the insides to hold the microcontroller and battery that will drive the sound effects and speaker from the Adafruit tutorial:
Prop-Maker Lightsaber
I'm done with the test prints and the internal geometries, so it's on to modifying the code and sanding/painting. Once I get mine built and all the changes are done, I'll hang the new files on Thingiverse.