In the New Component dialog, you can create a new component in an Assembly or Hybrid design in Fusion.
In an Assembly Design: Design toolbar > Assembly > Create > New Component ![]()
In a Hybrid Design: Design toolbar > Solid or Surface or Sheet Metal > Assemble > New Component ![]()
External setting is available if the active design is a Hybrid Design and Type is set to Part.
Check External to create a new part design and insert as an external component into the active design. Uncheck External to create an internal component inside the active design.
Select a folder to save the new external component in.
For external components: Starts an Edit In Place session automatically so you can start working in the new component in the context of the current design.
For internal components (Hybrid designs only): Activates the component automatically so you can start working in the new component.