We're celebrating the anniversary of the May 18, 1980 eruption of Mount Saint Helens with some "functional art." Check out the video! https://youtu.be/FrJdGnt9nBA

Get this diffuser for ~ $18.50 https://www.amazon.com/gp/product/B08TQH3KKT

Toss the white onion-shaped top, but keep the "inner cap" part. Cut the "spout" off of the inner cap part so that it fits under your new 3D printed volcano top. See photo: you want to cut it so that you're left with a 45mm - 50mm hole in that inner cap part.

Fill it with water, set the LED lighting to hot-lava red, and enjoy!