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I am Spider Man. I am home.
on 8 Oct 2021
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r=linspace(0,2*pi,8);
[R,s]=ndgrid(r,r);
x=1-(1/2)*((5/4)*(1-mod(5*r,2*pi)/pi).^2-1/4).^2;
c = 1.2233;
y=1.9*(R.^2).*(1.3*R-1).^2.*sin(c);
K=x.*(R.*sin(c)+y.*cos(c));
X=K.*sin(s);
Y=K.*cos(s);
Z=x.*(R.*cos(c)-y.*sin(c));
surf(X,Y,Z);
colormap bone
view(0,90)
axis off