A Pentakis Dodecahedron is made up of a dodecahedron (which has 12 pentagonal faces) and a 5-sided pyramid added on each face. The Pentakis Dodecahedron is also known as a Kisdodecahedron. I call the Spiky Amount slider a Cactusometer. It shows the "Coefficient of Spikyness" as the project runs but that was a bit long to write, so I called it "Spiky Amount".