(Spool D max 50mm)
Мetal rods are taken from the DVD drive.
A wire guide is a paper clip.
Threaded stud m4 - https://goo.gl/cA3reK or https://goo.gl/hfXNMj Bonded with UV adhesive - https://goo.gl/cEa98e Butterfly nut - https://goo.gl/VgGK55 Flange Ball Bearings - FZ604ZZ - https://goo.gl/zmBh2K
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