3d printed speakers... Not enclosures...
This looks interesting. https://hackaday.com/2019/09/07/putting-3d-printed-speaker-drivers-to-the-test/
He has a link to diyaudio with more info and they are only made for 5w. But kinda a cool idea to 3d print the cone.
Haha, I was just about to link to this exact article. Looks interesting.