my question is twofold:

1. Is there a way that when I use tools->insert mirror part-> and create a mirror of a part that is composed of a set of 3d sketches, that the 3d sketched can remain 3d sktches in the mirror part. At the moment, 3d sketches become layouts in the mirror part (see attached screenshot/screengrab.)
2. If the 3d sketches always convert to layouts,can the planes attached to those layouts be hidden?

thanks.