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  • Dragon

  • Rotation

  • Mechanical

  • Gear

  • Gear Transmission

  • Rotation

  • Mechanical Structure

  • Unlimited operation

  • Dragon Soaring Across the Four Seas

  • Operation

Eight-character mechanical dragon, eight-character looped-motion mechanical structure, movable dragon bracket model—modified and adjusted version, Meng Ye Gu’s original design.
Print Profile(1)
  • 0.2 mm layer height, 2‑wall walls, 15% infill density

    2-disc

    PLA

    Designer

0

1

71

7

Released 2026-05-08
Details
Files(1)
Makes & Comments (0)

Set the print parameters according to your own machine’s specifications.

Hardware accessories:

M3×10 wood-grain screws ×10,

7 mm shaft-diameter TT motor,

502 glue

Two 6802ZZ bearings, and two M3×30 screws for securing the motor
 


This model is an original design by Meng Ye Gu Shou, inspired by the eight-character mobile mechanical structure. Resale is strictly prohibited!

This model has high precision requirements; ensure all components are properly aligned during assembly. Poor printing quality may lead to jamming or stuttering during operation.

After printing the gear, it must be glued concentrically to the gear with the recessed groove.

When assembling the male and female gears, make sure the grooves on their surfaces align perfectly; otherwise, the mechanism will not function.

The large gear should have a 6802ZZ bearing installed at its center.
 

You’ll need to download an articulated animal model—such as a dragon or a snake—that can be printed in one piece, scale it down to about 40%, and print it out to test the fit. Essentially, this model serves as a support structure for the printed figure, so there are no copyright issues regarding the dragon model itself. You can attach any movable, one-piece printable model to it; this file does not include a dragon model.

The articulated dragon or other similar figures on top can be glued in place as you like—just use any one-piece, movable model of a dragon or snake.

Bill of materials

  • Name
    Quantity
    Notes
  • 1
    tt马达7mm轴径
    1
  • 2
    M3*10螺丝
    10

Originality of the Model

The author declares that this work is their personally original model

This model is licensed under the following terms:

Standard Digital File License

This work is licensed under a Standard Digital File License. Digital files have a strict non-commercial, personal use only license.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital file or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including remixes of this object). You can not host these files on other digital platforms, web stores or cloud repositories. The objects may not be used in any way whatsoever in which you charge money, collect fees.

Models(1)

  • model file image
    8字机械龙八字回环移动机械结构模型.3mfDesigner

    392.71 KB

    2026-05-06

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