Update: The V2 version can be downloaded at https://makerworld.com/en/models/162225, added a wire clip in every unit to improve usability.
An easy-to-print and scalable wire spool system design. No support and no hardware, purely 3d printed.
A basic unit needs 1x ‘Side Panel’, 1x ‘Right End’, and 2x ‘Spool’. An expansion unit needs 1x ‘Side Panel’, and 2x ‘Spool’.