Ikea Bror spool storage

A simple design made so you can store spool in a ikea bror.it works with one rod to support it since the spools rest against the top of the cabbin. If placed not on the top then 2 supports rods are needed. materials needed:1 or 2 16 mm rod2 m4 bolt2 m4 nuts2 m4 washers The mounting system for the rack itself is based on this model https://www.printables.com/model/277982-skadis-bror-shelf-mount?lang=en