A storage option for filament rolls. As connection I used ½" EMT conduit which can be bought in most hardware stores. With a length of 3-5ft and an infill of 15% (gyroid), the system holds well. At lengths over 3ft you should perhaps still set another bracket in the middle. For attachment to the wall, I have provided holes for #8 flat head screws and galleries to allow a long screwdriver to make the connections. You can also use pan head screws and washers.
The author remixed this model.
Modified for US materials – used ½" EMT for the rack tubing. Also included screwdriver galleries to aid in mounting.