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  • Water bottle

  • Greedy Cup

  • Teacup

  • Fair Cup

  • Pythagoras Cup

Greedy Cup, Fair Cup, Pythagoras Cup
Print Profile(1)
  • 0.2 mm layer height, 2‑wall walls, 15% infill density

    1-disc

    PLA

    Designer

0

0

2

0

Released 2025-12-08
Details
Files(2)
Makes & Comments (0)

The Gongdao Cup is a traditional porcelain vessel used by the Han Chinese for drinking. A figure of an elderly man or a dragon’s head stands at the center of the cup, with a hollow porcelain tube running internally to connect to a small hole at the base. By leveraging the siphon effect, the cup is designed to overflow and spill when filled beyond capacity—hence its alternative names, the “Nine-Dragon Cup” and the “Greedy Cup.”

When filling this cup with liquor, it must be kept shallow and level; any excess liquid will be drained through the small hole at the bottom.

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(2)

  • model file image
    水杯 为人民服务.stlDesigner

    3.75 MB

    2025-12-07

  • model file image
    水杯 为人民服务爱乐酷.3mfDesigner

    1.01 MB

    2025-12-07

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