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I have created one tree. Leaves have one origin point and the body has another. Later I parent them.

I keep copying them by alt+d. Suddenly I want to Mirror it to avoid monotony. When I applied Mirror modifier I see nothing happened. Later I realized in this tree I have two origin points, one for leaves another for the body.

How can I mirror such complex thing which has two origin points?

enter image description here

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  • $\begingroup$ I would suggest that for the ones you want to mirror, take a copy of the original (leaves and tree) and join them (Ctrl+J) rather than parent them. This will leave a single origin point for the bunch and will be much easier to work with when mirroring, etc.... Granted, this will mean you now have 2 objects which you are instancing from (at least for the trees), but I don't think it will make a huge difference performance-wise. $\endgroup$
    – Christopher Bennett
    Commented Jun 22, 2022 at 4:40
  • $\begingroup$ I started blender two days ago only. I am following a tutorial where the tutor does this. Mirroring them is my Curiosity. In that course the guy just alt+d the tress. $\endgroup$
    – Russian Blue
    Commented Jun 22, 2022 at 8:05

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Mirror modifier is not used the way you want to use it here, it's generally used to symmetrize a topology, not to duplicate an object in a scene. Also the Mirror modifier will use the origin of the object as center of the symmetry, so if you wanted to create a symmetrical tree you needed to move the mesh away from the origin (or move the origin).

Also, do you have a reason why you don't join the trunk to the leaves CtrlJ? As Christopher says it would make sense to have only one object.

Instead of using the Mirror modifier you could link duplicate the object with AltD then press SX-1 or SY-1 and you'll have a mirrored version of your object and the meshes are still linked.

You can also use Collection Instances instead of Linked Duplications, see here.

Also some rotations on Z and you won't realise that it's the same tree.

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  • $\begingroup$ Comments are not for extended discussion; this conversation has been moved to chat. $\endgroup$
    – Duarte Farrajota Ramos ♦
    Commented Jun 22, 2022 at 10:40

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