Fidget toy à trois engrenages et boutons
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Description
Fidget toy mécanique compact, imprimable en PLA sans supports, sans ressort métallique ni pièce achetée. Les trois engrenages sont en prise : en tourner un entraîne les deux autres. Chacun porte une molette à encoches sur le dessus, et le troisième clique contre une languette flexible imprimée avec la base.
Les engrenages tournent sur des axes séparés qui se clipsent par le dessus dans la base. Chaque roue repose à 0,5 mm au-dessus de la base et est retenue par la tête de son axe. Les trois boutons poussoirs se clipsent eux aussi par le dessus et se verrouillent avec un clic en position haute et en position basse.
- Base arrondie de 50 × 50 mm, hauteur totale 17 mm
- Engrenages de 14, 10 et 12 dents, module 1,5, jeu entre dents de 0,4 mm
- 3 axes clipsables, pied fendu avec ergot, jeu de 0,3 mm dans la roue
- 3 boutons avec 2 mm de course et deux crans de maintien
- Languette de cliquet imprimée avec la base
- Pièces à imprimer séparément : base, 3 engrenages, 3 axes, 3 boutons
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