You need to add a good model of the house.in the background and you don’t have time to model your own home. You can find for freemodel on the Internet, but this model does not meet expectations.
MAX (Autodesk 3ds Max, filesize: 124 MB), FBX (Autodesk FBX, filesize: 21.5 MB), MAX (Autodesk 3ds Max, filesize: 124 MB), 3DS (3D Studio, filesize: 8.75 MB), STL (Stereolithography, filesize: 30 MB)