Distel

silviana amethyst

Equation ¶

\[ x^2+y^2+z^2+1000 (x^2+y^2) (x^2+z^2) (y^2+z^2)-1 \]

Properties: ¶

degree 6
smooth

Some story ¶

Distel was one of the first surfaces I decomposed with Bertini_real. The orange one is Ninjaflex, and took 30 hours to print.

Bertini_real input files ¶

input

CONFIG
printpathmodulus:45;
tracktype: 1;
securitymaxnorm: 1e10;
securitylevel: 1;
endgamenum: 2;
CONDNUMTHRESHOLD: 1e20;
imagthreshold: 1e-4;
FunctionTolerance: 1e-6;
END;
INPUT

variable_group x, y, z;
function f1;
f1 = x^2+y^2+z^2+1000 * (x^2+y^2)*(x^2+z^2)*(y^2+z^2)-1;
END;