Support for Action Figures' Grandstands

Being a Star Wars action figures collector, one of my first interests was always making good stands for showing my collection adequately. As it was growing bigger & bigger, space requirements were getting critical. One of my first solutions was to make a grandstand using glass strips (thickness: 2mm, 400 mm long, 50 mm wide) supported by polystyrene columns fixed to the former ones, all over a glass shelf, not shown in these pictures. What I intend to do with this THING is to replace the polysty