Luban Lock
Kongming Lock

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🧩 The Eight Immortals: Puzzle Box Challenge
This is a spatial thinking training toy based on a classic traditional puzzle, replicated and structurally optimized using 3D printing technology. It is known as the "Eight Immortals" (or "Eight Pillars Puzzle").
More than just a vintage desk toy, it is a classic educational tool for exercising reverse thinking and logical reasoning. Beneath its seemingly simple structure lies ingenious geometric logic, guaranteeing a surprisingly brain-burning challenge!
✨ Design Highlights
Classic Replication & Optimization: Based on the traditional "Eight Pillars Puzzle" system, 3D printing technology has been used to optimize structural precision, ensuring smoother assembly and fit.
Cultural Significance: Named after the Chinese legend "The Eight Immortals Cross the Sea," it implies that each of the 8 pillars must "show its prowess" and find its unique position and alignment to fit perfectly.
Minimalist Aesthetics: Composed of 8 pillars with specific beveled surfaces and a narrow storage box, the design is simple yet full of Oriental geometric beauty.
🧠 How to Play
Take all 8 pillars out of the box.
Try to put them all back into the box in a specific order using crossing, staggering, and complementary methods.
The Challenge: You cannot use brute force to "stuff" them in! You must utilize the angles of the beveled surfaces to find the correct alignment logic, perfectly "squeezing" all pillars into the box.
Originality of the Model
The author declares that this work is their personally original model
This model is licensed under the following terms:
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)
八仙过海.3mfDesigner2.95 MB
2026-05-29




