input mp-solid

invnormale:=-1;

%1''
figureespace(-10u,-10u,10u,10u);
Initialisation(1000,50,20,150);
incolor:=gris;
arcenciel:=true;
draw Sparam("(cos(u)*sin(2*v),sin(u)*sin(2*v),sin(v))",0,2*pi,0.2513,-pi/2,pi/2,0.1256);
finespace;
end