Copy window (component) to building group, DIFFERENT faces without rotate tool?

I want to simply, and have seen it done, copy move a window component from one wall to a perpendicular wall without any fuss or muss. How is this done? Thank you.

the component would have a glueing or cutting face, see later part

Note that only one plane can be used, you will see the X with red/green plane, which can be positioned vertical or to any other angle