Geared Heart, Hand Crank Edition 3D printable model by gzumwalt

Geared Heart, Hand Crank Edition

Source: MyMiniFactory by gzumwalt

The Geared Heart, Hand Crank Edition is a free printable 3D model from MyMiniFactory by gzumwalt. eared hearts fascinate me (perhaps because I was born on Valentines day?). You can download the STL file from the original listing below and print it at home.

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30 saves Source: MyMiniFactory Updated 2026-04-14

Tags: heart, valentine, ValentinesDay, Geared_Heart, Hand_crank

About this model

eared hearts fascinate me (perhaps because I was born on Valentines day?). I'm unsure as to who created the first one (sorry for being unable to credit the original creator) as I was unaware that geared hearts had been around for a while. For example, I found this 2008 video of a paper hand cranked geared heart and was intrigued. Inspired by the paper hand cranked geared heart video, and emmett's brilliant geared heart design, yet having too little time to create one entirely on my own, I incorporated emmett's geared heart into this design to create my hand cranked PLA version of the hand cranked paper geared heart. The video of my version is at And if you don't like cranking the heart by hand, then a motorized version is available. Designed using Sketchup 8, and printed in PLA on a Replic…

Frequently asked questions

Is this 3D model free to download?
Yes. Geared Heart, Hand Crank Edition is free to download from MyMiniFactory. Click the "Download free STL" button 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 gzumwalt.
Who made this model?
Designed by gzumwalt, 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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