A fork construction that is screwed to the cover.
For the coil holder, the screw axle can be made from Berts Projekt https://www.printables.com/de/model/314297-4-l-dry-box-spool-holder-dispenser
https://files.printables.com/media/prints/314297/stls/2724804_0d28bb42-581d-4182-a689-96399866065b/drybox_bolt_for_bearings.stl
The fork construction has four M4 threads that are printed for attachment to the lid, as well as printed M8 threads for cylinder head screws for suspension of the axis.
Have fun printing!
The author marked this model as their own original creation.