Remove Hidden EdgesKeyCreator \ View \ Render \ Remove-Hidden-Edges
Location: View>Render>Remove Hidden Edges
ToolTip: HLR Edges
Use this function in shaded mode to display visible edges and to hide obscured and partially obscured edges, entities, and flowlines (optional). The Remove Hidden Edges function is one of four edge options (No Edges, All Edges, HLR Edges, and HLD Edges) which are only available when one of the three shaded render modes are active (Flat, Gouraud, and Phong).