How to AutoCAD 2006, I would like my family's house painting the structure, with …

right, absolutely right! cad is devoted to mapping the structure of the software, and specialized construction materials this cad! May be,
I would like to painting 3d plans cad with some reluctance, I recommend using Mastercam or ug like it's 3d graphics software,
cad is you do not want to paint or plan to use three-dimensional plane

three-dimensional cad can be used ug