Mark Hard Edge/Vertex Property Editor
 
 
 

Marks the selected points (vertices) or edges of a polygon mesh control hull as "hard," creating creases or sharp edges in the corresponding subdivision surface. This is similar to the Set Edge/Vertex Crease Value Property Editor but does not let you control the degree of the effect.

To apply: Select one or more points or edges on the control hull of a subdivision surface, then choose Modify Component Mark Hard Edge/Vertex from the Model menu.

To redisplay: Select the control hull, then choose Edit Properties Modeling Properties from the Edit panel and click the Mark Hard Edge/Vertex tab.

Hard

When on, the corresponding edges or points in the control hull create hard creases in the subdivision surface. When off, the operator has no effect and the corresponding areas of the subdivision surface are smooth.