**System Information**
Operating system: windows 10
Graphics card: RTX2060
**Blender Version**
Broken: 3.1.0 beta latest
Worked: -
**Short description of error**
Small objects with dimensions under a few centimeters won't render a preview when marked as assets.
Scene units or the scale factor don't affect this but if object are scaled up a say 5x or 10x they will get a preview in the Asset Browser.
**Exact steps for others to reproduce the error**
Scale Suzanne 1cm
Apply scale.
Mark as asset.