Lego fans will appreciate this award-winning design for steel structures. A professor from the University of Buffalo used digital models and 3D-printed prototypes to arrive at his interlocking design.
It works like this. Each module has four interconnecting legs and a central slot. Two modules slide together to create a dual-axis shape with eight points of connection. Each of these points connects with the leg of another module allowing simple, sturdy, easily assembled structures.
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