Fundamentals > Creo Parametric User Interface > The View Tab > Model Display Options > To Change the Appearance of Edges and Lines
  
To Change the Appearance of Edges and Lines
1. Click File > Options > Entity Display.
2. Under Geometry display settings do the following,
In the Edge display quality list, select the quality of display you want as Medium, Low, High, or Very High. This can also be set using the configuration file option edge_display_quality.
In the Tangent edges display style list, select the style for edges where two surfaces are tangent as Solid, No Display, Phantom, Centerline, or Dimmed. This can also be set using the configuration file option tangent_edge_display.
Show colors assigned to model surface—Select the check box to display colors assigned to surfaces on the model.
3. Switch to Model Display tab in Creo Parametric Options dialog box.
4. Under Model display settings when reorienting the model, select the Show silhouette edges to display silhouette edges
 
* You can select only the following types of silhouette edges: Silhouettes of cylinders and cones, and silhouettes of torii with axes that are parallel or perpendicular to the screen.
5. Under Cable Display, select from the following:
Thick—To display clipping when the Visibilities dialog box is closed.
Centerline—To display the cable centerline with location points shown in green.
 
* You can also use the Cable thick style and Cable centerline style toolbar buttons to change the cable display. Use Utilities > Customize Screen to place buttons on the toolbar.
6. Under Cable HLR, select Full, None, or Partial to set the level at which hidden lines are removed in a cabling assembly. This can also be set using the configuration file option full_hlr_for_cables.