Asset Browser
The Asset Browser tools help creating and using multi-object aka assembly assets with Blender's native Asset Browser.
Menu
3DView > MACHIN3 tab > MACHIN3tools Panel
Save Pie
Modes Pie
Create Assembly Asset
Using the Asset Browser Tools
Note
As of version 1.0.1, a thumbnail is assigned automatically to the asset and no longer needs to be added manually.
As of version 1.1, individual asset's objects no longer need to be positioned in the world origin.