How can I plot a 3D solid figure (not just 3d surface)

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lingfeng zhou
lingfeng zhou 2016-11-18
编辑： David 2022-9-14
I want to generate some solid models for 3D Printing. And the stl file is needed.

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KSSV
KSSV 2016-11-18
David
David 2022-9-14
编辑：David 2022-9-14
I use surf2solid from https://www.mathworks.com/matlabcentral/fileexchange/42876-surf2solid-make-a-solid-volume-from-a-surface-for-3d-printing and Sven's stlwrite from https://www.mathworks.com/matlabcentral/fileexchange/20922-stlwrite-write-ascii-or-binary-stl-files -- not the Matlab 2018b stlwrite(). Then if I open the stl file in PrusaSlicer:
n = 30;
[X,Y] = meshgrid(linspace(0,1,2*n+1));
L = (40/51/0.9)*membrane(1,n);
figure, subplot(2,2,[1 3]), title 'Thin surface'
surf(X,Y,L,'EdgeColor','none'); colormap pink; axis image; camlight
subplot(2,2,2), title 'Block elevation'
[f,v] = surf2solid(X,Y,L,'elevation',min(L(:))-0.05); axis image; camlight; camlight
fv_block = struct('faces',f,'vertices',v);
subplot(2,2,4), title 'Thickness'
surf2solid(X,Y,L,'thickness',-0.1); axis image; camlight;
stlwriteSven('test.stl',fv_block)

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