input mp-solid

%30''
figureespace(-10u,-10u,10u,10u);
Initialisation(500,10,10,40);
incolor:=0.95white;
arcenciel:=true;
draw SurfZ("cos(2*X)*sin(4*y)+cos(2*Y)",0,3*pi/2,0,2*pi,60,150);
TraceAxesD(5,5,5);
finespace;
end