Keywords: Henneberg construction of Moser spindle.svg Henneberg construction of a graph The construction starts from a single edge The first three steps add a new degree-two vertex connected to two existing vertices Henneberg type 1 The final two steps instead subdivide an edge and connect the subdivision point to an existing vertex so that the new vertex has degree three Henneberg type 2 The graph formed by sequences of this type are exactly the Laman graphs; in this case the final graph is the Moser spindle 2012-09-25 17 48 54 own David Eppstein cc-zero Uploaded with UploadWizard Moser spindle |