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Erfone 13
on 23 Oct 2022
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[x,y,z]=sphere(90);
d=@(x)erf(2*x);
surf(d(x)*2,d(y),d(4*z)/9,FaceC=[1,1,1]/2,EdgeC='none');
material dull
hold
surf(d(x)/2+1.28,d(y)/2+.3,d(z)/8,FaceC=[.9,.9,1],EdgeC='none');
surf(x/6+1.6,y/6+.6,d(z*5)/7);
surf(x/6+1.6,y/6+.2,d(z*5)/7);
surf(x/6+1.2,y/6+.4,d(z*5)/7);
axis equal off
light