Bump

The Bump tool adds detail to a polygon model by surrounding the vertex, edge or polygon selection with edges and then pull the selection in or out of the model.

Performing a bump on a vertex selection along the normal with two segments.

Performing a bump on an edge selection along the normal with two segments.

Performing a bump on a polygon selection along the normal with two segments.

Properties

Segments	The number of segments in the extruded shape.
Movement	The movement of the extrusion.
Base Radius	The distance that the surrounding edges should have to the selection.
Prevent Overlap	If enabled will attempt to avoid overlapping geometry.