Puzzle Box 3D printable model by Troy Mackay
Puzzle Box photo 1 Puzzle Box photo 2 Puzzle Box photo 3

Puzzle Box

Source: MyMiniFactory by Troy Mackay

The Puzzle Box is a free printable 3D model from MyMiniFactory by Troy Mackay. Each of the outer rings turn at a slightly different rate so that they only align in one position. You can download the STL file from the original listing below and print it at home.

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896 saves Source: MyMiniFactory Updated 2026-09-19 License: CC-BY-SA · commercial OK 1 makes

Tags: gears, puzzle, planetary, geabox, compound

About this model

Each of the outer rings turn at a slightly different rate so that they only align in one position. It will take many (14,950) turns to go full circle. Print the core and shell separately or together if you are confident in your calibration. Separate the ring gears with a sharp edge after printing (slicing at 0.2mm should preserve a one-layer gap making this easy). Turn the knob to free up the gears. I've added some "peek" holes to give you a fighting chance. A kind of rotary encoder can be made by marking the rings at significant locations, such as when a mark on the bottom visible ring aligns with one on the outer shell. I'm thinking of mapping out such locations and printing a scale which can be glued or transferred onto the rings. You could also keep it cryptic and just mark dots at the…

Frequently asked questions

Is this 3D model free to download?
Yes. Puzzle Box is free to download from MyMiniFactory. Open it in the free Thinger app, or use the "Download from MyMiniFactory" link above to open the original listing.
Where is the STL hosted?
The download is hosted by MyMiniFactory, not by Thinger. We link you directly to the original listing by Troy Mackay.
Who made this model?
Designed by Troy Mackay, published on MyMiniFactory. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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