I use mineral spirits, and have not had issues. Some folks recommend this stuff, But I have not tried it: https://www.tractorsupply.com/tsc/product/crown-psc-1000-parts-cleaner-5-gal

This is wild. Mine would be raising a racket at 3am playing in the tubes. Is it relatively quiet?

This is really cool.

I don’t know why this is such an appealing project, but it is. Adding an LED and a switch so it can be used as an emergency flashlight would be cool too.

Nice

I believe congratulations are in order. Getting a good surface finish on a lathe can be really hard, but you did it!

Nice. Is that PETG or PLA?