To change the orientation of surfaces

1. Select Surface Edit > Orientation > Set Surface Orientation.

   All surfaces in the scene are shaded in blue and yellow.

   

   Surfaces facing toward the camera are shaded in blue; surfaces facing away from the camera are shaded in yellow.

2. To change the orientation of a surface:
   • click the surface with the to orient it toward the camera.
   • click the surface with the (or +) to orient it away from the camera.
     Note

     You can click anywhere on the surface (not only the wireframe).

   The color of the surface changes immediately.

3. If there are several surfaces to change, draw a pick-box around them (using the appropriate mouse button).
   

   After orienting all the surfaces to face toward the camera, all the surfaces in the scene should be blue.