Is this 3D model free to download?

Yes, CALIBLOCK - Calibration Print Toy is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" 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 tempo502, published on Thingiverse. 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.

CALIBLOCK - Calibration Print Toy 3D printable model by tempo502

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CALIBLOCK - Calibration Print Toy

Source: Thingiverse by tempo502

The CALIBLOCK - Calibration Print Toy is a free printable 3D model from Thingiverse by tempo502. This is the CaliBlock (calibration + block). You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,183 saves Source: Thingiverse Updated 2026-10-31 Print time: 1h License: CC-BY · commercial OK 18 makes Category: 3D Printer

Tags: block, building blocks, calibration, construction toys, overhang, printer calibration, retraction, toy

About this model

This is the CaliBlock (calibration + block). It's a calibration print that can be also used as a nifty building toy. If your printer is reasonably well-calibrated, CaliBlocks will snap together much like Legos. No pins or screws required. TAKE THE 1 HOUR CALIBLOCK CHALLENGE! Try to print a "caliblock normal half" in less than one hour. It's a challenge for most printers! You must meet the following conditions: - Be honest! Nobody likes cheaters. - Actual recorded print time must be less than 1 hour, slicer estimates don't count. - No scaling, final dimensions must be +/-1% of the targets. - 1-hour CaliBlocks must clip and unclip with other CaliBlock without breaking. - Post a close-up "make" photo of the print along with your printer model and slicer settings to prove you did it. If you su…

Frequently asked questions

Is this 3D model free to download?: Yes. CALIBLOCK - Calibration Print Toy 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 tempo502.
Who made this model?: Designed by tempo502, 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.