Working Micro Gear Heart Keychain 3D printable model by CrazyJaw

Working Micro Gear Heart Keychain

Source: Thingiverse by CrazyJaw

The Working Micro Gear Heart Keychain is a free printable 3D model from Thingiverse by CrazyJaw. Based on Emmett's ever popular gear heart: This version is about half the width of the original (50 mm), which means its 1/8 the volume and a much faster print (yay math!). You can download the STL file from the original listing below and print it at home.

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214 saves Source: Thingiverse Updated 2026-04-20

Tags: Working, Micro, Gear, Heart, Keychain

About this model

Based on Emmett's ever popular gear heart: This version is about half the width of the original (50 mm), which means its 1/8 the volume and a much faster print (yay math!). i find it takes me ~2 hours to print one (and ~8 for the original) Rather than just being a straight scaling, this version has been tweaked so taht it will still rotate. The main differences are the number of gear teeth (much fewer, and larger), gear ratio (it now takes 2 rotations to realign, unfortunately) and pins (made much beefier, and they are all one length). Additionally, there is a hole through the tip so that it can serve as a keychain! Print them out by the dozen and give them to friends/family/cute girls on the bus! == Edit 6/10/2012 == Added a zip of the source plus .stls for every individual component. Add…

Frequently asked questions

Is this 3D model free to download?
Yes. Working Micro Gear Heart Keychain is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by CrazyJaw.
Who made this model?
Designed by CrazyJaw, published on Thingiverse. 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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