I will appreciate for your help. I am creating my material library, and trying to clean and rename all materials and nodegroups. How i can define from outliner (or any enother way) wich materials use this nodegroups


Thank you for your help. I'll try to be more specific. Just for example. I have big scene with 105 materials, Also I have unknown node group (x) which is used by 3 users. It means that 3 materials from all 105 use this node group (x) The question is, how i can easily find these 3 materials? Where this information is shown in outliner? enter image description here Thank you

  • $\begingroup$ Could you clarify? I don't think there is an easy way to select by node group. $\endgroup$
    – Mörkö
    Mar 7 '16 at 8:46

Node Groups can be renamed either in the Properties of the Node Editor, or also in the Outliner by editing the 'Name' attribute:

Editing a node group name


How to find which are the users of some datablock (it doesn't matter if it is a material or group, the idea is the same):

The datablock itself does not store who the users are, instead you have to go over all the users and test. See:
How to know which object is using a material
Display all users of a datablock


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