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Question about aligning 2 shells

6 REPLIES 6
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Message 1 of 7
skergeth
481 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™‚

6 REPLIES 6
Message 2 of 7
MagWeb
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
skergeth
in reply to: skergeth

Thanks a lot ๐Ÿ™‚

Message 4 of 7
hfcandrew
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
skergeth
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
hfcandrew
in reply to: skergeth

Can try this if you want to get super accurate: https://autode.sk/3nbFRZw

Message 7 of 7
skergeth
in reply to: hfcandrew

Great ! 

Thank you so much !

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