Weird

Graphics by Paul Bourke
March 2003

Attributed to Tore Nordstrand


25 (x3 (y+z)+y3 (x+z) + z3 (x+y)) +
50 (x2 y2 + x2 z2 + y2 z2) -
125 (x2 y z + x y2 z + x y z2) +
60 x y z - 4 (x y + x z + y z) = 0