- Select a mesh.
 - 
                        
                               Under
                                    Robot, specify the view direction. 
                        
                              - 
                                    Either select a plane.
                                    
The normal to the selected plane becomes the view
                                          direction. 
                               
                              - 
                                    Or specify a rotation Angle and
                                          select one rotation axis.
                                    
The view direction is rotated along this axis, by
                                          the given angle. 
                               
                         
                   -  Sweep the cloud of points or mesh with the pointer to see the deviation Angle. To update the Angle under Values:
- Pick the mesh at a position where the deviation angle fits your need.
 - Or key-in the required value.
 
  -  Use the Filter spinner to reduce 
      the number of points of the lines.
 - Select the Results options.
 
  
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