Linking Plane Edges
When the plane to be added has common edge points with an existing plane, the edges can be combined by selecting a function in the auxiliary menu.
Do Not Link Edges
When the plane to be added has common edge points with an existing plane, the edges of these planes are not combined if this function has been activated before selecting the points or edges of the plane.
Link Edges
When the plane to be added has common edge points with an existing plane, the edges of these planes can be combined by activating this function before selecting the points or edges of the plane.