A panel support assembly (25) comprises a post (10) having at least one elongate recess (12), rotatably supporting a respective panel receiving member (13). The panel receiving member (13) comprising a rod-like member having an internal channel (14) adapted to receive a panel (11). The recess (12) is arcuate and respective panel receiving member (13) is cylindrical, partially fitting within recess (12), so as to allow relative rotation. A pair of panel support assemblies (25), with pairs of panel receiving members (13) facing each other, provides a panel fixing system for fixing a panel (11).