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Question about aligning 2 shells

Message 1 of 7
476 Views, 6 Replies

Question about aligning 2 shells

Hello MM Users,

i would need help again.


I have 2 scans of a finger (upper shell and lower shell)

I would need to align them exact and combine them as one object.


I could do that using the transfer tool but it takes time to shift the parts until they fit together exact.


Is there a way to set some marking points and tell meshmixer to align it together ?


Thanks for help ๐Ÿ™‚

Message 2 of 7
in reply to: skergeth

There's no point-pairs alignment in MM but there's selection based alignment in SELECT/Edit/AlignToTarget.

Let's say you want to align MeshB to fit to MeshA:

With MeshA active click the magnet in ObjectsBrowser to make it a target object > it turns to transparent blue. For a better view you might disable TransparentTarget in the View menu.

Now use EDIT/Transform to move MeshB to a roughly fitting position.

Now SELECT some overlapping regions on MeshB and run Edit/AlignToTarget. Hit ImproveSolution until MeshB doesn't move any more.


Gunter Weber
Triangle Artisan

Message 3 of 7
in reply to: skergeth

Thanks a lot ๐Ÿ™‚

Message 4 of 7
in reply to: MagWeb

Couldn't you drop a pivot on each object on the same anatomical spot, then align pivot to pivot. Then rotate about that pivot for fine tuned adjustments.

Message 5 of 7
in reply to: hfcandrew

Hello Andrew,

i tried this but somehow it fails.


I did following steps:

> select shell A and drop the pivot (Settings: Surface point, Geometry frame, checkboxes disabled)

> select Shell B - same procedure

> with shell B active: edit / align (source + destination = pivot /  Translate only)


The alignment did not work and the pivot of the active shell was dislocated.


How to do it right ?


Thanks ๐Ÿ™‚


Message 6 of 7
in reply to: skergeth

Can try this if you want to get super accurate:

Message 7 of 7
in reply to: hfcandrew

Great ! 

Thank you so much !

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