Here is a modern, Twinbrook style architecture starter home for one or two sims.
Basic split-levelling tutorial video
Video – how to create a Sim in the Sims 3
This will help you copy designs from 1 object through to a different one with ease!
8 bedroom mansion set on three floors. Top floor is left unfurnished.
This is my first Sims 3 home, so please be gentle with me!