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Add small tutorial on making existing mesh manifold with Blender #10540

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23 changes: 23 additions & 0 deletions tutorials/3d/csg_tools.rst
Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,29 @@ the following, adapted from that library's `definition of "manifold"

.. image:: img/csg_custom_mesh.png

Making an existing mesh manifold with Blender
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

.. UPDATE: This relies on a specific Blender addon. If it becomes unsupported,
.. we can remove this section.

If you have an existing mesh that is not already manifold, you can make it
manifold using Blender.

In Blender, install and enable the
`3D Print Toolbox <https://extensions.blender.org/add-ons/print3d-toolbox/>`_
addon.

Select the mesh you want to make manifold. Open the sidebar by clicking on the arrow:

.. image:: img/csg_manifold_step_1.webp

In the **3D Print** tab, under **Clean Up**, click the **Make Manifold** button:

.. image:: img/csg_manifold_step_2.webp

The mesh should now be manifold, and can be used as a custom mesh.

CSGCombiner3D
~~~~~~~~~~~~~

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