For a quick one-off object, you can use the built-in "Save Selection" feature:
The Library’s memory was not passive. It curated. When she dragged a cathedral lantern into a chapel model, the software suggested a set of hymns in the comments and adjusted the lantern’s scale to fit a liturgy it had imbibed from an old project file. When she replicated a bench, the chairs in the adjacent folder rearranged themselves as if to make room, aligning their models to a human pattern someone had once preferred. archicad library