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Back to School 2026

  • Addition and subtraction demonstration device

  • Mathematical teaching aids

  • Mechanical Structure

  • Children's educational启蒙

  • Magnet demonstration

  • Educational Toys

  • Arithmetic teaching

Additive and Subtractive Manufacturing Demonstration Device (with Installation Instructions)
Print Profile(1)
  • 0.2 mm layer height, 2‑wall walls, 15% infill density

    5-disc

    PLA

    Designer

1

1

3

2

Released 2026-09-14
Details
Files(22)
Makes & Comments (0)

Note: Additional accessories: diameter 4, height 3, round magnet x50 (magnets in contact with each other, installed with opposite magnetic poles)

My child at home has started learning addition and subtraction, but I still can't explain it clearly to him. Why not create a mechanical structure for demonstration

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

Models(22)

  • model file image
    加减法演示装置-N.3mfDesigner

    4.52 MB

    2026-09-14

  • model file image
    1.STEP(1).stlDesigner

    567.17 KB

    2026-09-14

  • model file image
    1.STEP(2).stlDesigner

    810.82 KB

    2026-09-14

  • model file image
    1.STEP.stlDesigner

    1.53 MB

    2026-09-14

  • model file image
    1.STEP_1.stlDesigner

    187.88 KB

    2026-09-14

  • model file image
    1.STEP_2(1).stlDesigner

    1.76 MB

    2026-09-14

  • model file image
    1.STEP_2.stlDesigner

    881.92 KB

    2026-09-14

  • model file image
    1.STEP_3.stlDesigner

    1.27 MB

    2026-09-14

  • model file image
    3.STEP.stlDesigner

    337.29 KB

    2026-09-14

  • model file image
    123.STEP.stlDesigner

    355.36 KB

    2026-09-14

  • model file image
    123.STEP_1(1).stlDesigner

    87.97 KB

    2026-09-14

  • model file image
    123.STEP_1.stlDesigner

    349.11 KB

    2026-09-14

  • model file image
    123.STEP_2(1).stlDesigner

    306.23 KB

    2026-09-14

  • model file image
    123.STEP_2.stlDesigner

    1.66 MB

    2026-09-14

  • model file image
    123.STEP_4.stlDesigner

    349.30 KB

    2026-09-14

  • model file image
    零件1(1).stlDesigner

    1.35 MB

    2026-09-14

  • model file image
    零件1(2).stlDesigner

    1.35 MB

    2026-09-14

  • model file image
    零件1.STEP_7.stlDesigner

    2.47 MB

    2026-09-14

  • model file image
    零件1.STEP_17.stlDesigner

    49.89 KB

    2026-09-14

  • model file image
    零件1.STEP_18.stlDesigner

    49.89 KB

    2026-09-14

  • model file image
    零件1.stlDesigner

    364.44 KB

    2026-09-14

  • model file image
    组合体.stlDesigner

    5.71 MB

    2026-09-14

  • View all(22)