Importing & Exporting Stadiums

Hello guys, how do you export some parts in stadium and import it to other stadiums? For example in this picture, i want to import the encircled part to other stadium.

The black One West Bank or the purple holder? If you are replacing the black one, just find the dorna for that.

The purple holder bro, ive already replaced dornas, is there a chance to export it and import it to other stadiums?

I don't think its possible because it comes with design of the arena itself unless someone can edit that part.

not all stadium has the same size as lakers

I think you need to reach out to someone with Blender skills.