\[ x^3+x^2z^2 - y^2 \]
- degree 4
- one singular line, and a singular point at the origin
I feel like this one looks really different from the raytrace rendering in Herwig Hauser's gallery. It printed super nicely, as did the blocky versions, in two colors. Unbounded, cut with a sphere of radius 10, and decomposed using a random projection.