# Curve


Create different types of curves with different commands.

Specific operation steps, take the projection curve as an example:

  1. Draw the geometry (sketch & solid/surface) as required, as shown in the following figure:

  1. Select the Feature tool:Projection curve

  2. Pick sketches and polygons according to your needs.

Tip:

  1. Elements can be picked only when the pick dialog is active (In the blue state, click the mouse to activate.);

  2. When picking a sketch, the mouse can pick its edges or its area;

  3. Place the mouse on the command dialog box, when the mark appears, you can drag the command dialog box to any position in the viewport.