Horizontal expansion calibration tool V4.0 3D printable model by MarkU

Horizontal expansion calibration tool V4.0

Source: Thingiverse by MarkU

The Horizontal expansion calibration tool V4.0 is a free printable 3D model from Thingiverse by MarkU. I posted a tool for assessing horizontal expansion a while back that a few people found useful. 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 2026-08-30

Tags: Horizontal, expansion, calibration, tool, V4.0

About this model

I posted a tool for assessing horizontal expansion a while back that a few people found useful. I've updated it a few times since, so here is the current version I am using now. Changes include: - added tapered spacers top & bottom on both parts - this prevents top & bottom artefacts / flaring from interfering with the measurement - measures in one axis only - my original tapered-cylinder design effectively measures whichever axis exhibits more HE, and I wondered if there would be a difference in X vs Y (in the end I didn't see any) - "magnification" now 100x - the original was 80x, which made it easier to make a mistake in the mental math if I was in a hurry The tick-marks are 1 mm apart, with bigger triangles every 5th mm, and each mm of mis-alignment represents 10 microns (0.01 mm) of h…

Frequently asked questions

Is this 3D model free to download?
Yes. Horizontal expansion calibration tool V4.0 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 MarkU.
Who made this model?
Designed by MarkU, 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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