ERASE command
Erases entities from the drawing; erases the faces and edges of 3D solids.
Icon:
Alias: DELETE, E
Method
Select entities, edges or faces to be removed.
Select the edges of an opening in a surface to delete the opening.
Select the edge(s) between coplanar faces of a 3D solid to remove the edges. Alternatively use DMSIMPLIFY command to remove redundant edges.
Select the interior faces of an opening in a 3D solid to remove the opening.