Mechanical Counter 0-99 3D printable model by KillerMartian

Mechanical Counter 0-99

Source: Thingiverse by KillerMartian

The Mechanical Counter 0-99 is a free printable 3D model from Thingiverse by KillerMartian. This is a heavily modified counter that can count both forward and backward. You can download the STL file from the original listing below and print it at home.

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30 saves Source: Thingiverse Updated 2026-05-24

Tags: Mechanical, Counter, 0-99

About this model

This is a heavily modified counter that can count both forward and backward. I based the mechanism on the wooden model referenced in the original design. I printed this at a 60% scale and it worked out well. Any smaller and there will begin to be issues with the smaller parts. A full size one should work as well. Make sure to orient each piece in the way that works best for your printer. Each piece should be printed once with the exception of the front and back frame. That will need to be printed twice. When assembling, each piece holds together with friction but may need a small amount of cleanup to get a nice fit. I used a 1mm beading needle that I cut and bent for the pins. With loops on the end, the bar on the right holds the pin so they don't fall out. The small pin that connect the l…

Frequently asked questions

Is this 3D model free to download?
Yes. Mechanical Counter 0-99 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 KillerMartian.
Who made this model?
Designed by KillerMartian, 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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