If you're an architect, builder, planner, interior designer, or game artist using SketchUp, you'll want to get the most out of this powerful application.

In this 3-lesson course, you'll build on the skills for creating 3D objects developed in SketchUp Basics and learn how to use groups and components, tap the potential of inferences, interconnect forms, create lathed and extruded objects, and more.

To impress your clients and colleagues, you'll learn how to add entourage elements, incorporate photos, create different model views, and even animate a TourGuide presentation.

Sessions 3D expert Jim Dodson has teamed up with Google to create this SketchUp series (Basics and Intermediate) with step-by-step instructions and creative hands-on projects. Drawing in 3D has always been exciting, but never this easy.

LESSON 2 Creating Forms with Inferences Complex shapes are often created in 3D models by the intersection of objects. In Lesson Two, you'll explore how to use SketchUp's geometry engine and inferences to create complex forms simply and easily. The lesson begins by examining how the SketchUp inference engine communicates inference options while you're drawing in 3D. Creating an L-shaped building, you'll explore how both inferences and inference locks work. You'll also learn how to interconnect forms using the Pencil (line) tool, draw parallel inferences, draw on sloping surfaces, and cut holes in shapes. In the project, you'll test your skills by creating a detailed model of a house (your own?) and setting up a TourGuide presentation.