Parametric plot of the surface (x, y, (1–|x|–y^2)^3).

Edition of 5; signed and numbered.

Paper size: 12” × 9” (approx. 30 cm × 23 cm).

Plotted with an AxiDraw V3, using archival Noodlers ink from a Rotring 600 fountain pen on archival Fabriano Bristol paper.