Generative Shape Design provides context toolbars allowing you to create geometry and manipulate directly your 3D model.
Context Toolbars: Basic Concepts Creating and Manipulating Geometry Using Global and Local modes Using Interaction Techniques Creating a Join and an Extruded Surface Creating Points, Axes, and Planes Creating Edge and Corner Fillets Creating Patterns Creating a Blend Between Curves Extrapolating Geometry Transforming Solid or Volume Faces