Cross Extend Surfaces

Use the Surfaces: Cross Extend tool to extend surfaces to meet each other, or other target surfaces.

Disconnected surfaces on the same plane cannot be extended using the Surfaces: Cross Extend tool.
  1. From the Geometry ribbon, click the Surfaces > Cross Extend tool.

    Figure 1.
  2. Optional: On the guide bar, click to define cross extension options.
  3. Select the source surfaces.
  4. If the Choose targets option is selected, click the Target selector on the guide bar then select the target surface(s).
  5. Extend surfaces in the following ways:
    • Click Extend on the guide bar.
    • Left-click a selected surface.

    Figure 2.