Unite Now Session
In this session we will show you how the designer and artist-friendly tools provided by Unity come together to help you iterate on your level design more efficiently, by refining the level layout and making adjustments to the assets as you test and balance gameplay.
A team of product experts from across Unity will be available during and after the session. Our Community team will continue to field questions to foster an ongoing discussion with the community. Please feel free to ask your questions in this thread. Only questions related to the topics of the session are permitted.
We really look forward to hearing from the community. Thank you!
With FBX Exporter package, It could be done.
You can right-click on the prefab and then select Export to FBX. Then just import that FBX file to another Unity project