why my 3D image is not extruded in 3D software?

Hello, i have 3D image but when I view the image in the 3D software to be printed, the image does not extrude. here i attached my code and images. can anyone check on my code. Many thanks.

a = imread ('stomachgray.tif');
mask = zeros(size(a));
mask(100:end-100,100:end-100) = 1;
bw = activecontour(a,mask,1000);

 c = im2double(bw);
 shading flat

 d = imgaussfilt3 (c,4);

 colormap(bone)

h = hgtransform;

 mesh(d*100, 'Parent', h, 'FaceColor', 'r' )
 view(3)
 lighting gouraud
 camlight right
 % Make it taller
 set (gca, 'units', 'cent')
set(h, 'Matrix', makehgtform('scale', [10 10 500]))
[X,Y] = meshgrid(1:length(h));
surf2stl('stomachSurf7.stl',X,Y,d);

end

[KSSV]

Have you tried minimizing the z axes limits in your software?

[Zaitul]

Hi KKSV, do you mean the 3D software?

[KSSV]

Yes...in the software in which you are viewing.

[Zaitul]

i think we cant set limit the z axis in the software. I've check it. (software: sapphire vagler)

[KSSV]

What I suspect is the z limit in your software is high so you are not able to view the extrusion.

[Zaitul]

Make sense. When i want to load the image, a window appeared to say about the size of the image which is too big and i choose to resize the image. is that possible to set how big the extrusion in matlab? So that the image that i want to load in the 3D software is not huge.

[Zaitul]

wait. is that means the limit of my software is too low?

[KSSV]

The z limit might be very high...

[Zaitul]

i cant set the z limit. but can i know the height of my mesh extrusion? what function should i use?

[Zaitul]

should i resize the image?

[KSSV]

Resizing will not help...I don't know about the software in which you are viewing.

[Zaitul]

I got the solution. but can i know if my code below is correct if i want to set the unit of the extrusion? unit that i want to use is cm.

[X,Y] = meshgrid(1:length(h));
set (gca, 'units', 'cent')
surf2stl('stomachSurfZ.stl',X,Y,d*100);