How to export a brush from one map, into another map?

Hello! I am trying to export a shuttle brush that I made in one of my maps, to a new project of mine. Is there any way to go about doing this?

Thanks!

Just make it into a prefab/instance.

Copy paste

I didn’t realize a copy and paste carried over when a seperate map was open? Thanks for the tip!

Make sure that when u copy it, that it remains on grid. Otherwise things might get ugly