Adding door elements

In this chapter I'll make sure that my low-poly objects are the right size and…ready to receive the bakes from the high poly.…So far I've got a high-poly garage door model and a high-poly person door over…on the side here, with a transom window.…I should probably finish modeling a window element to the side, although I can…probably use some of my door as well.…What I'll do is extract these door polygons and stretch them out just a bit,…as the garage doors need to come down to the bottom here of this foundation, as…the car should be able to roll into the garage cleanly.…

I've already modeled the high poly in the right place and the right height, so…now I just need to stretch out the low.…I'll hide the high poly by selecting it and pressing Ctrl+H. I'll pick one of my…low-poly modules, press F11 for face, and select that door face.…Under Mesh, I'll choose Extract.…In the Extract dialog, I'll uncheck Separate extracted faces, so they stay part…of the same object but are simply separate elements.…