In Blender version 3.1.1 I have a collection of parts of an object with a data structure something like this:

+-- Dandelion
      +-- leaf.01
      +-- leaf.02
      +-- petals
      +-- stem

My problem is I cannot mark the collection as an asset. One of the solutions that I have found is to instantiate the collection and marking it as asset (https://www.youtube.com/watch?v=YFX8Fzg5CYY); then I am allowed to pull it in other blender scenes. However, through this method no thumbnail is appearing on the asset browser. Which is a problem since I do recognize items by thumbnails rather than names.

I appreciate any help regarding this problem. Thanks in advance!

  • 1
    $\begingroup$ Hello, what Blender version are you using ? $\endgroup$
    – Gorgious
    Commented Mar 31, 2022 at 9:10
  • $\begingroup$ hey, thanks for reminding I always forgot that I am using 3.1.1 fixed on the original question as well. $\endgroup$
    – Mimayuki
    Commented Mar 31, 2022 at 9:12

1 Answer 1


As you've already discovered, Collections are not integrated into the Asset Browser as of yet. Marking a collection instance is more of a hack than a supported workflow, and thumbnails not being generated is a limitation of that hack so there isn't much you can do about it I'm afraid. Support for Collections and other data-blocks is a work in progress though, so hopefully we'll get it soon enough. In the meantime, you can add custom thumbnails to your instances from the N panel:

enter image description here

  • $\begingroup$ Okay, I can set them manually until it is implemented. Thanks for the detailed answer. $\endgroup$
    – Mimayuki
    Commented Mar 31, 2022 at 9:58
  • 1
    $\begingroup$ @Mimayuki FYI, Collections (with automatic thumbnail renders) are now officially supported in 3.2: devtalk.blender.org/t/collection-assets-feedback/23789 $\endgroup$
    – Kuboå
    Commented Apr 4, 2022 at 21:55
  • $\begingroup$ It came faster than I thought. Thanks for the notification. :) $\endgroup$
    – Mimayuki
    Commented Apr 5, 2022 at 19:07

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