These images are not 3d models, but the 2d elevation drawings seen here were created from 3d models.
I have found that my background as a carpenter, framer, & general contractor prior to going into drafting & design to be very useful in the production of construction documents. This experience is also an important part of 3d modeling. One must know how homes are built in order to accurately "build" a home in the 3d world.
I have produced hundreds of full construction sets of drawings for new homes, remodels, and light commercial projects.
These images are just small snippets from full drawing sheets.
~ Paul M Olson ~ Residential Designer- Drafter - 3d Modeler - 3d Illustrator