Whiteboard Connector

Instead of mounting multiple whiteboards side by side and having a large unusable gap between from the aluminium frame, you can carefully remove one side of the frame from each whiteboard (or two, if it's not on the end of the row) and use these parts to attach them together, resulting in a much smaller unusable gap. The connector takes the place of the plastic corner pieces where two boards meet, and the plates can be used to add a bit of extra strength/stability to the joint (as many as you like, though the boards we used had four screws holding the side of the frame on, so we reused those screws for four plates per joint) - just lay a plate across the joint and screw through the holes into each board.

The whiteboards we used were Penrite branded, though others may also work if they use sufficiently similar aluminium edging. You may also find that the frame is glued as well as screwed on to the board, in which case the frame may end up getting bent during the removal process (an