OpenBridge Modeler – Help The RibbonHome Ribbon Tab SupportLine SupportLine Place SupportLine By Midpoint toolUsed to place a supportline by the supportline's midpoint at a specified station. Place SupportLine Parallel toolUsed to place a supportline parallel to an existing supportline. Place Multi SupportLines toolUsed to place multiple supportlines which can have similar values or individually edited values. Move SupportLine toolUsed to move or rotate an existing supportline to the position or orientation a previously placed target line. Modify Supportline toolOpens the Modify Multi Supportlines dialog, which is used to modify multiple supportlines in the active unit.