Here you will find Autocad contents (3D drafting), Sketchup contents (interior design), and Blender contents (3D Sculpting and interior design).

cad (autocad)

Autocad is best for developing 2D floor plans and elevation plans. Recently Autocad has 3d features and can be used to model buildings and be rendered. However it is not a good software for rendering when compared to Sketchup and Blender.