Adding a Crease to Mesh

1. Create a mesh object

2. Mesh Modeling tab > Mesh panel > Add Crease

3. On the mesh object, select the faces to apply the crease to

4. For a sharp crease, press ENTER to accept the default value of Always

5. Sharp creases are applied to the selected faces

6. To remove creases

Mesh Modeling tab > Mesh Edit panel > Remove Crease

Select the creased faces and press ENTER

7. You can also vary the crease sharpness

When creating creases, override the default value of Always by entering a value between 0.1 and 2.0

8. Crease sharpness may be varied from face to face