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Questions & Troubleshooting / Re: How to export a Solid.
« Last post by tysonbrochu on April 21, 2017, 05:51:54 PM »

Unfortunately Make Solid does not produce a tetrahedral mesh. It only closes open boundaries (i.e. produces a closed, manifold mesh which can be interpreted as representing a solid volume, hence the name "Make Solid").

If you're comfortable compiling C++ code and don't care about adaptive tet sizing, I recommend the quartet library ( It has a permissive license and is pretty straightforward to use.

Gallery / Re: Humanti
« Last post by humanti on April 21, 2017, 10:42:03 AM »
Reproduction of sculptures started in their own production.
Questions & Troubleshooting / How to export a Solid.
« Last post by placasse on April 20, 2017, 06:29:50 PM »

  I need to convert an stl (list of triangles) file into a solid mesh (list of tetrahedra) suitable for finite element methods.
I would be happy with any human-readable file format.
I tryed many softwares (not all of them yet) and MeshMixer is the first one I found that can build such a mesh (Edit->Make Solid) with my huge and complicate file.

The result looks good, now I need it outside of MeshMixer.
I tested all the export but I can't see any tetrahedra in the resulting file, did I missed something?

General Discussion / Meshmixer for Medical Community
« Last post by RS on April 20, 2017, 04:15:01 PM »
Check out my blog post about Meshmixer users saving lives!

Scripting / API Help / Re: Ignore pop up dialogs when scripting Meshmixer
« Last post by tkmorrison on April 20, 2017, 03:15:13 PM »
My number 1 requests would also be that popups be suppressed. It makes automation quite difficult. I resorted to using scripted key-presses, and it's pretty messy. (On windows + python I'm using win32com.client )

Three popups have been a problem with version 3.2:
1. The complex object / nonmanifold popup when exporting a mesh.
2. The 'meshmixer crashed' popup when starting meshmixer after a crash
3. And then crashes themselves, but I think the popup here is a windows popup.

@bathsheba - In python you can at least close MeshMixer without inducing a 'crashed' response using this:
meshmixerProcess = subprocess.Popen( ["C:/Program Files/Autodesk/Meshmixer/meshmixer.exe"] )
You can use this to convert the tris to quads:

Fusion can work with a medium level of quads...what you can do is do this conversion with a lower number of quads, import both the quads as well as the STL into Fusion.  Convert the quads to T-splines in Fusion, and then use the subdivide/pull command to add in more detail where you need it, and less detail where you don't.

If the quads conversion is OK already, then you're done, but the segmented workflow above is longer to do, but required for more complex models.

Questions & Troubleshooting / Re: Red error
« Last post by THsid18 on April 19, 2017, 09:15:33 PM »

I got the Meshmixer ver.3.2, but the error occurs yet.
But I got some information about this.

I right clicked the red box entity, choose "Copy path for clipboad", I got the path below.

"??????" means "document".

In Japanese OS, the 2byte character like "document" would be changed English automatically.
It would be the cause of this issue I think.
Bug Reports / Re: Meshmixer 3.1 Remesh gives disconnected boundaries
« Last post by AzDesertRat on April 19, 2017, 06:27:13 PM »
I'm sorry but what the heck is going on with these new versions of Mesh Mixer with critical tools being suddenly nerfed??? 

This open gap problem is completely unacceptable IMO.  What made MM special was it's dynamic triangulation while sculpting but now the mesh is constantly corrupted by gaps everywhere!  The tiny faces being auto-added where gaps now occur were easily cleaned up with a simple large selection of the are and quick remesh.  However, now the remesh tool doesn't work properly across shape borders.  Instead, the borders are littered with overlapping triangles that could easily be resolved by drawing a selection across both side of the border and running remesh.  I have heavily relied on this magic ability of MM for years now to sculpt and remesh to maintain a clean topology in a fluent work flow.  These new 3.1 and 3.2 builds are unusable.

Fortunately, I can revert back to older revs that are reliable until something is done with this new, broken gen of Mesh Mixer.  Very sad to see this happen to the softare:(.
Questions & Troubleshooting / Re: Meshmixer 3.1 appcrash meshmixer.exe
« Last post by RS on April 19, 2017, 11:32:20 AM »
Please download Meshmixer 3.2. I hope it fixes your issue!
Announcements / Meshmixer 3.2
« Last post by RS on April 19, 2017, 11:09:11 AM »
Meshmixer 3.2 is now available! Download it here:

In this release, we fixed startup crashes for certain machines, repaired the "Cancel" button for long-running tools, and eliminated intermittent mesh disappearing after running Make Solid or Remesh.

Don’t forget to backup before installation, including your custom_printers.xml. You can submit bug reports to


Meshmixer Team, Autodesk Research
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