Print two of each beam and glue using epoxy to the split box, this allows holding of the tiles without the need for "rings" . ports are not glued to the sea tiles and are stored in the small hex box.
important - this works with the original storage_core_big.stl created by Dakanzla and not with the regular size. Tiles are from his version 2 magnetic tiles (catan-style boardgame 2.0 (magnetic & multicolor)
regular PLA , no support , 100% infill for strength .
The author remixed this model.