Motorized Horse Race Game
Print Profile(2)
Bill of Materials
Description
⚠ ATTENTION: You must have a Commercial License to sell prints of this model. ⚠
Commercial Licenses are available on Patreon
https://patreon.com/titanmechatronics
Place your bets on your favorite horse in this mechanical horse racing game! Powered by a single TT Motor, this machine will simulate a live horse race as soon as you power it on! I found it has a steampunk aesthetic while designing it, so I decided to lean into that.
This design was inspired by the 1920's tabletop game by Gee Wiz, particularly around the marble and shaft concept.
The gear setup uses oval gears which alternate the ratio to be fast, then slow. Combining the alternating speed with the large to small ratio causes a cycling effect where each lane will get fast and slow rotations. Relative to when you start and stop the motor, you effectively create a pseudo-random speed each time the paddle hits the ball. In addition, the time it takes for the ball to roll back to the paddle will increase the randomness.
This model required a single TT motor and 5x 8mm balls. The TT motor installation is completely tool-less and allows easy reuse of the motor for other projects.
This design mostly uses 3D printed parts which snap-fit together and have no supports, as such, tolerances are tight. Printing this will require a well tuned printer and a clean build plate. Please refer to the assembly guide for help first!
Boost Me (for free)
If you like this model, please consider giving it a boost! There were many prototypes to get this to its current state.
Update to elliptical gears 3/8/2026:
-Added print profile for alternative gear set to the elliptical ones
-Assembly should remain the same, only that the new rounded gears (shown in beige below) are used in place of the elliptical ones
Update to two rail/track parts 4/27/2025:
-Added notch on rails to stop horses at start of track for easier reset
-Revised the rail profile to print cleaner overhangs
-Revised the seam to be at an angle to decrease the probability of the ball getting stuck
note: assembly is still the same
Disclaimer: this design has moving and fast spinning parts, please use caution when handling it. Although there is very little force behind the motor, injury is still possible. I am not responsible for misuse and injury when using this design/model.
Feel free to reach out with modeling questions! I'm always happy to discus all things CAD!
For questions related to licensing, please feel free to reach out on here, Patreon, or Instagram.
Be sure to check out my other models!
https://makerworld.com/en/@Coffey_Factory/upload
Documentation (1)
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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