Create Custom Patterns For Sims 3
Packaging lots for upload in the Sims 3 is very different than in the previous game, but not too difficult.
The Sims 3 Create-a-Sim Guide
Angled columns/walls Revised – Freynas
Setting up and installing custom content in the Sims 3
Building Apartments In The Sims 3
Here is a good guide on building Tombs in the Sims 3
Create your own worlds for The Sims 3
This is a tutorial about how to make nice roofs with half walls, and this video can even beginners understand so check it out.