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Acompact spring-loaded rack mechanism designed for smooth linear movement and easy customization.
The model combines a toothed rack with an integrated sliding body and a spring tension system, making it suitable for mechanical prototypes, locking systems, small launchers, or DIY engineering projects.

The design is optimized for FDM 3D printing and prints cleanly without major supports.
Its reinforced geometric structure provides good rigidity while keeping the weight low.

Features

Bill of materials

  • Name
    Quantity
    Notes
  • 1
    CR2032
    999
    https://s.click.aliexpress.com/e/_c4MtrJWl

Originality of the Model

The author declares that this work is their personally original model

This model is licensed under the following terms:

Credit must be given to the creator

Only noncommercial uses of the work are permitted

Models(3)

  • model file image
    case.stlDesigner

    1.18 MB

    2026-05-21

  • model file image
    cover.stlDesigner

    1.63 MB

    2026-05-21

  • model file image
    print.3mfDesigner

    156.99 KB

    2026-05-21

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