Spool winder unwinder

Takes many sized spools
knoba - spool winder unwinder

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knoba - spool winder unwinder

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knoba - spool winder unwinder

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Wire holder & hex key holder
knoba - spool winder unwinder

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Adjustable friction clutch
knoba - spool winder unwinder

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What’s in the CAD file…
knoba - spool winder unwinder

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Materials:
1 x 142x100x6 mm (5 5/8"x4"x1/4") plate/sheet mild steel
2 x 50x80x3 mm (2"x3 1/8"x1/8") plate/sheet mild steel
4 x m5x12 mm (3/16"x1/2") socket head bzp machine screws
4 x 12mm (1/2") o/d rubber stick on feet
2 x 25x30 mm (1"x1 1/4") nylon 6-6
3 x M6 (1/4") stainless steel penny washers
1 x M6 (1/4") felt, penny washer size
1 x M6 (1/4") conical spring
1 x M6 (1/4") thumb wheel
2 x M4 (3/16") grub screws
1 x M6 (1/4") circlip, or e-clip, or any other axial load shaft retainer
1 x 250x6 mm (10"x1/4") stainless steel bar
Some paint
& a handle (wood, metal, I used beads for jewellery)

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knoba – spool winder unwinder – 2018.dxf

knoba – thunb wheel jig

Rapid electronics – stick on rubber feet

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Bobbin spool keepers

Threads on bobbins, threads on spools, all very messy.
knoba - bobbin spool keepers

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stick is cut & lacquered, hair band is cut & wire wrapped at top of stick, bead is glued on, loop is made with small crimp in end of hair band.
knoba - bobbin spool keepers

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Neat.
knoba - bobbin spool keepers

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knoba - bobbin spool keepers

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What’s in the CAD file…
knoba - bobbin spool keepers

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Materials (per unit):
1 x 100mm nail stick (hoofer)
1 x 12mm wooden bead
1 x elastic hair band
1 x 2mm i/d crimp (bead/electrical)
wrapping wire
pva glue
varnish/lacquer

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knoba – bobbin spool keeper – 2018.dxf

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