Nordstrand's weird surface
silviana amethyst
A weird surface, 5 different piece types, 1 compact central piece.
\[ 25 (x^3 (y+z)+y^3 (x+z)+z^3 (x+y))+ \\ 50 (x^2 y^2+x^2 z^2+y^2 z^2) - \\ 125 (x^2 y z+y^2 x z+z^2 x y) + \\ 60 x y z - 4 (x y+x z+y z) = 0 \]Printed into neon green ninjaflex in 2015 at Notre Dame on a Taz4. Water-soluble PVA was used as support material. One made.
