3D Cars: Inside and Out is a comprehensive step-by-step training course focused on creating a complete automotive vehicle from scratch. The curriculum guides you through the entire process of modeling a car's exterior, wheels, and full interior, starting from the first vertex through to final renders and compositing.

The course heavily features a non-destructive "Guide Mesh Technique" for subsurface modeling. This workflow allows you to maintain continuous curves and perfect reflections across the car's body panels, even when adding complex topological cutouts and panel gaps. Beyond the specific guide mesh approach, the instruction covers core polygon modeling principles, efficient modifier stack usage, topology management, and building fully customizable materials in the Shader Editor.