Shelf bracket

There are quite a few different mounts on the web for placing or storing filament spools. But all of them have a supporting tube on which the spools are hung, which is fixed in the mount itself. I found it not very convenient. Because then you had to think about how to attach the spools to this tube, so that it would be convenient to remove.In the present model the tube is removable and access to the coils is easy and convenient.The mount consists of two parts - left and right bracket, aluminum tube 120 x 20 mm and tube plugs.Each mount consists of the bracket itself and an additional piece that is glued to the bracket for greater stability.Once the brackets are mounted to the shelf, the tube with plugs on the ends is mounted on them.To print the second right bracket and the second right additional element, the proposed models should be mirrored.Caution.During gluing, make sure that the holes for fasteners on the bracket itself and on the additional element coincide!My fasteners were p