This is a gasket (Printed in TPU) which can be use to seal the vaporizer
https://www.aliexpress.us/item/325680204861011
While not a remix of; https://www.printables.com/model/255521-acetone-vapor-polisher-for-abs-and-asa-prints-ikea
It can help with assembly. The gasket goes between the vaporizer and the solvent container. I used McMaster-Carr P/N 93627A648 Sealing Pan Head Screws M4 x 0.7 mm Thread, 20 mm Long (They have an o-ring under the head.)
The author marked this model as their own original creation.