Geneva Roller Ruler, Pocket Sized Infinite Ruler 3D printable model by MechEngineerMike
Geneva Roller Ruler, Pocket Sized Infinite Ruler photo 1 Geneva Roller Ruler, Pocket Sized Infinite Ruler photo 2 Geneva Roller Ruler, Pocket Sized Infinite Ruler photo 3 Geneva Roller Ruler, Pocket Sized Infinite Ruler photo 4 Geneva Roller Ruler, Pocket Sized Infinite Ruler photo 5 Geneva Roller Ruler, Pocket Sized Infinite Ruler photo 6

Geneva Roller Ruler, Pocket Sized Infinite Ruler

Source: Thingiverse by MechEngineerMike

The Geneva Roller Ruler, Pocket Sized Infinite Ruler is a free printable 3D model from Thingiverse by MechEngineerMike. *Buy it fully assembled & tested here! The 'Geneva Roller Ruler' is a special pocket sized tool for measuring any line, any curve, any length! With this device you can measure. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse
QR code to download the Thinger app
On a computer? Scan with your phone to install the free app.
1,485 saves Source: Thingiverse Updated 2026-10-17 License: CC-BY-NC-ND · non-commercial 9 makes Category: Tools & Workshop

Tags: caliper, curvimeter, EDC, engineering, everydaycarry, Geneva Drive, geneva mechanism, keychain, meter, opisometer, pocket, rollbe, ruler, Survival, tool

About this model

*Buy it fully assembled & tested here! The 'Geneva Roller Ruler' is a special pocket sized tool for measuring any line, any curve, any length! With this device you can measure square objects, round objects, straight lines, curved surfaces, you get the idea! Additional Instructions & Photos here: (Take a sec to vote for this project too!) This tool can be very handy when measuring curved lines or oddly shaped surfaces that are difficult to measure directly with a straight ruler or tape measure. The roller ruler uses a wheel of known dimensions, regularly spaced tick marks, and a counter mechanism to measure up to 1/2 meter in 5 mm increments. -The device is tiny so you can literally carry an infinitely long ruler wherever you go! :) It’s a simple but handy tool for home owners, architects, …

Frequently asked questions

Is this 3D model free to download?
Yes. Geneva Roller Ruler, Pocket Sized Infinite Ruler is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link 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 MechEngineerMike.
Who made this model?
Designed by MechEngineerMike, 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.

Similar 3D models in caliper

More from MechEngineerMike

Browse related collections

Free Titan & Giant Mech 3D Prints for Wargaming Free BattleTech-Compatible Mech 3D Prints Free 3D Prints for the Prusa MK4 & MK4S Free 3D Prints for the Elegoo Neptune Series
Gear / Paid link The gear we print with Filament, tools, build plates and the hardware behind the models on Thinger, in one shoppable photo on our Amazon storefront. See the gear → Thinger earns a commission from qualifying purchases made through this link, at no extra cost to you.
Deals / Paid links

Filament on sale for your next print

Price drops on Amazon, checked several times a day with 30-day price history.

All deals →

Thinger earns a commission from qualifying purchases made through these links, at no extra cost to you. The price on Amazon at checkout is the one that counts. Israeli buyers: free shipping over $49 deals in Hebrew.

Open in Thinger Get STL