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I have made this mesh...

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... and I have create two vertex groups. One for the whole mesh, called "Start"...

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... and another one which excludes a part of it, called "End".

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How can I duplicate this object as linked, but make it look as it is with the second vertex group ("End"). Meaning, with the last part excluded. Is that possible?

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You can "Duplicate Linked" the object with Alt+D.

Then, on the duplicate, add a Mask modifier, and select the Vertex Group you want to keep.

(You can also select the vertex group you want to hide, if you tick "Invert" (double arrow icon) next to the Vertex group field)

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  • $\begingroup$ Very nice, thank you very much, I'll need this way too!!! But, is there any other way to do that, so as not to add extra vertices, edges, faces etc? Like when I just duplicate the object as linked. $\endgroup$ Mar 16 at 9:32
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    $\begingroup$ If you duplicate As Linked (Alt+D), the mesh will be shared between the two objects so, no. If you do a simple duplicate (Shift+D), then you just need to delete the vertices you don't want. $\endgroup$
    – thibsert
    Mar 16 at 9:37
  • $\begingroup$ Pity... It could be really useful if we could have one mesh and then duplicate it's vertex groups as linked without to add extra vertices, edges, faces etc to project!!! Is there any place-forum I can talk about it? As suggestion... $\endgroup$ Mar 16 at 9:44
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    $\begingroup$ Well, the whole point of linked duplicate is to keep the exact same mesh, it's a design decision... Design can be discussed on RightClickSelect : blender.community/c/rightclickselect $\endgroup$
    – thibsert
    Mar 16 at 9:49
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    $\begingroup$ Also, it's worth knowing than a Linked Duplicate don't use more memory (BECAUSE it's the exact same mesh). So my answer is still quite efficient in term of memory usage and disk usage. However, it could be a little bit slower to display and render, because of the (small) extra calculations required by the modifier. $\endgroup$
    – thibsert
    Mar 16 at 9:56

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