How can I combine multiple surf plots into 1 stl file?

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Yuan
Yuan 2023-3-15
回答： DGM 2025-7-19
Let's say I have a rectangle box composed of 3 surf plots, the yellow top, a bottom face(hidden) and the four sides in purple. Is there a way to combine the 3 plots together into 1 .stl file?
Thanks.

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回答（2 个）

Animesh
Animesh 2023-4-3
Hi,
DGM
DGM 2025-7-19
You don't need surf2stl(). You already have surf2patch(), so just use it to get F,V data from your gridded data. Once you have F,V data, combine them and write it to an STL file. It's not necessary to use external software to combine anything.
See also:
Basic approach combining things the long way, with no duplicate pruning:
https://www.mathworks.com/matlabcentral/answers/411861-convert-multiple-3d-shapes-into-stl-file-cad
Simplified using convenience tools:
https://www.mathworks.com/matlabcentral/answers/2131056-combine-two-stl-into-one#answer_1568109
https://www.mathworks.com/matlabcentral/answers/1567423-how-to-write-multiple-object-surfaces-solids-to-a-single-stl-file

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