Material preview with custom mesh is not working

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

UI/Tools

Summary

I tried setting a custom mesh for my material and the material doesn’t render. When setting it to a cube, it worked.

Steps to Reproduce

Set a custom mesh to show a material

Expected Result

Material shows on the mesh

Observed Result

mesh shows default world grid material instead

Platform(s)

pc

I’m getting this problem as well still in July 2024, but only for Nanite meshes.
I’m using UE 5.4, not UEFN, though.
Is your mesh also a Nanite mesh?
Did you ever figure out how to make it work?

Try this

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I forgot to mention that I remembered I had switched the rendering mode from masked to transparent to see if the new engine version had added support for more rendering modes to Nanite meshes and forgot to switch it back, that’s why it wouldn’t work in the preview with nanite meshes for me. It wasn’t the checkbox you mentioned, that was already checked, although that was a good reply that I think could help others. I just wanted to point this out in case it will help anyone else.

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