A vintage (or modern) fishing tackle case can very well be used as an organizer.
This antique fishing tackle box was discovered and purchased at a flea market and adapted for an organizer for sewing supplies.
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The advantages of the box are obvious: several levels, compartments of different sizes, a convenient mechanism that provides access to all compartments when lifting the lid, a rigid case and a reliable lock. There is no need to modify the box at all - it is actually ready for use.
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By the complexity of the organization, the number of levels and departments and the size of these suitcases are different - you can choose the most convenient for you.
Thread storage organizer
If you are not a fan of vintage suitcases, you can choose a more modern model.
Photo: blog.colettehq.com, ramblingrenovators. ca, quiltscapesqs.com, tsibiahisraelbeautyinthebible.com