Progettazione di stampi e colata > Working with Parting Surfaces > Using Shadow Surfaces to Create Parting Surfaces > Comparing Skirt Surfaces and Shadow Surfaces
  
Comparing Skirt Surfaces and Shadow Surfaces
Skirt Surfaces
Shadow Surfaces
Creates swiss cheese type of surface, based on silhouette curve functionality
Creates drape type surface using reference model geometry
Design part may have vertical surfaces
Design part must be fully drafted
Can exclude failed segments
Cannot exclude failed segments
Can control the direction of the extension
Cannot control the direction of the extension
Can fill loops and define location of closure, upper or lower curve chain
Cannot fill loops