In this section

Create and Edit a Surface Tie

Create Side Slopes

Edit a Surface by Adding and Removing Members

Edit a Surface by Changing a Point Coordinate

Edit a Surface by Trimming Edge Triangles

Swap Surface Triangles

Edit a Surface by Changing Its Properties

Understanding Breaklines

Create and Edit a Simple Breakline

Edit a Surface by Creating a Breakline

Create a Breakline on a Surface Edge

Breakline Options

Rebuild a Surface

Create a Boundary

Add and Remove Surface Boundaries

Understanding Holes, Islands, and Overlapping Areas

Boundary Options

Understanding Surface Densification

Densify a Surface

Drape a Point or Line on a Surface

Shrink 3D Faces