The Chamfer Feature can apply a slope to all the faces which touch a specific target face. This can make for more realistic appearance of items.
For example, here is a cube with the Chamfer feature applied to the top face.

Chamfer Feature Properties
| Property | Options |
|---|---|
Name |
Name the feature. Unique names for each feature is not required, but suggested. |
Chamfer Size |
The area of the chamfered planes added to the mesh. |
Chamfer Protrusion |
The angle of the chamfered planes. |
Using the Chamfer Feature Manually
Once the chamfer has been defined, it can be adjusted in a number of ways. Use the properties listed in the feature to… Translate (Move) the group. Rotate the group, Scale the group.
Using the Chamfer Feature in a Scene Rule
Any chamfer feature that was defined during design-time is available for Snap code to manipulate during run-time. Use the “Set feature” block to accomplish this. In this Snap block, first select the node that the feature belongs to, then the name of the feature you set when you created it, and finally what property should be changed.
Tips for using this feature
Chamfers can make meshes in your scene look more realistic. Real-world objects rarely have perfect 90-degree edges.