Abstract: A scaffolding system comprising a plurality of elongate structural tubes and a plurality of node members. Each node member has three or more mating portions that each extend along one of three mutually perpendicular axes that pass through the respective node member. End portions of the structural tubes can be releasably secured to the mating portions to provide a framework of vertical columns that extend between pairs of node members and horizontal beams that extend between pairs of node members. The scaffolding system further comprises a plurality of tie members that can each be releasably secured at opposing ends to a node member such that the respective tie member is inclined relative to the vertical columns or the horizontal beams, such that the scaffolding system, when assembled, is capable of supporting structural loads.