Is this 3D model free to download?

Yes, A 1x2x3" Block Calibration Cube is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by MakerWorld. Use the "Download from MakerWorld" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by RobertW, published on MakerWorld. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

A 1x2x3" Block Calibration Cube 3D printable model by RobertW

A 1x2x3" Block Calibration Cube

Source: MakerWorld by RobertW

The A 1x2x3" Block Calibration Cube is a free printable 3D model from MakerWorld by RobertW. A 1x2x3" block, because why not. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MakerWorld

149 saves Source: MakerWorld Updated 2026-09-27 Print time: 3h 7m Filament: 40 g License: SDFL · non-commercial ★ 4.8 (13) 122 makes Category: Tools & Workshop

Tags: calibration, block, calibrationcube, calibrationtest, measurementdevice, guage, calibrationtool

About this model

A 1x2x3" block, because why not. I thought it might be a good calibration cube for people that have a precision ground 1x2x3 block. It has 3/8" holes and 5 are threaded with 3/8-16 UNC threads.Update: I modified the threads as I forgot to in include a tolerance, a 3/8 bolt should now fit, and I added a 1x1x1 block just because. The 1x1x1 has X, Y, and Z markers, just for easier identification when using it to calibrate.

Frequently asked questions

Is this 3D model free to download?: Yes. A 1x2x3" Block Calibration Cube is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link above to open the original listing.
Where is the STL hosted?: The download is hosted by MakerWorld, not by Thinger. We link you directly to the original listing by RobertW.
Who made this model?: Designed by RobertW, published on MakerWorld. 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.