Splits a surface into multiple surfaces at the selected isoparms.
         
         
          
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                      If  is on when you perform the detach, the original curve or surface is retained. 
                      
 
 
               Changing the detach position
               
 
               You can edit the area of detachment with the . Select the detached curve and the detachSurface node in the , then select the . If you drag the black manipulators, the area of detachment grows and shrinks accordingly.