Race bib magnet buttons — 3D-printable model preview
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Sport & fitness Simple (set)

Race bib magnet buttons

Attach a race number without pinning the shirt

Four magnet pairs replace the safety pins on a race number: one button inside the shirt, one outside the bib, and they snap together through both layers. No holes in a technical shirt, and the number stays flat at any pace.

Size
Ø 16 mm, 8 mm tall
Shape
Round
Walls
2.5 mm
Volume
1.1 cm³
Est. weight (PLA)
1.3 g
Parts to print
1
Made by
Krypto
Built in
7 steps

What’s in it

  • Round, Ø 16 mm, 8 mm tall, with 2.5 mm walls
  • Raised round base

How to print it

Print eight; glue a 10 x 2 mm neodymium disc into each.

Prints as shown on its floor, no supports.

Filament: at most about 1.3 g of PLA printed solid (roughly $0.03 at $20 per kg); normal infill uses less.

To get the files, open it in the generator and choose File › Download STL (one file per part) or Download 3MF (every part on one plate).

Questions

What size is the race bib magnet buttons model?

The race bib magnet buttons model measures Ø 16 mm, 8 mm tall. You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. Print eight; glue a 10 x 2 mm neodymium disc into each. Prints as shown on its floor, no supports.

How much filament does it use?

At most about 1.3 g of PLA (1.1 cm³ printed solid), roughly $0.03 of filament at $20 per kg. Normal infill uses less.

Can I change it?

Yes. Open it in the SO3D.xyz generator (free, in your browser), change the size, walls, dividers, holes, text or anything else, then download it as STL or 3MF for your slicer.

More sport & fitness

See all 28 in Sport & fitness

Make it fit your space

Change the size, walls, dividers, holes and labels of the race bib magnet buttons model in your browser, then download it for your printer. Free, no CAD needed.

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