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Asymmetric mirror modifier
the mirror modifier is one of the most useful modifiers in blender, but some time I miss some features that would make it more powerful, this is my proposal: Filter vertex groups (or exclude vertex groups ) add the ability to filter which group of vertices will be mirrored and which ones do not. eg: I want to model a desktop, start modeling the top half of the table, two legs, but the drawers I would put in a vertex groups that they are only drawn on one side. that could be useful to model characters who have diferntens thing in oposite sides, like, guns, wristwatch, earrings and so on. (it can be useful to make asimetric characters filtering the some parts and modiling it manually ) this is possible today using the option "mirror vertex groups" and adding a mask modifier over groups of vertices, but it would be great to integrate it into the mirror modifier since the mask modifier reduces the performance asimetric edit add an option that allows after finishing the modeling, create off set in the vertices, eg: we model the left side of a character, the modifier generate a kind of cache, and after the binding we could edit and generate asymmetries only in the Mirrored mesh. thanks ! (sorry about my bad english)

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Comments(5)

Fweeb · 3 weeks ago
I suppose the real question is what kind of implementation would work to do this. If it's effectively the same thing as using the mask modifier as you describe, then there won't be any performance benefit at all. In fact, there'd be a risk that the additional code overhead could slow the mirror modifier for purely symmetric mirroring, too. No doubt that this would be a useful feature (which, as you've pointed out, we already technically have), but if there's no performance boost, then it doesn't make much sense. In fact, it might be more prudent to find ways to make the mask modifier faster. This provides a more flexible workflow (that will apply when we get modifier nodes) and be more broadly beneficial, I think.
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effetagroove [OP] · 3 weeks ago
it is very good to read about modifier nodes and hopefully we will soon have it, for now as we could request a better preformance of the mask modifier? another advantage of placing it inside the mirror is that it is much easier to deduce and use for middle and novice users (believe me, for normal people like me it is difficult to deduce that in the modifiers) what you could tell me about the "edit mirrored" (I do not know if I was able to explain clearly) that result could not be achieved using modifications for this purpose like the multires, they are not supported together with the mirror thank you very much!
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Fweeb · 3 weeks ago
Editing the derived mesh (the result of modifiers) is a whole 'nother kettle of fish. To achieve something like that, you would need to have something akin to 3ds Max's Edit Poly modifier. That opens a can of worms that is certainly beyond the scope of this proposal, IMHO.
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effetagroove [OP] · 3 weeks ago
thanks!
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rpaindavoine · 2 days ago
I would add, as an automotive modeler, when you want a single exhaust on one side of your bumper, it can be practical.
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