Is this 3D model free to download?

Yes, Impossible 3D-printed bolt and nut 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 CreativeTools, 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.

Impossible 3D-printed bolt and nut 3D printable model by CreativeTools

Impossible 3D-printed bolt and nut photo 1

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Impossible 3D-printed bolt and nut

Source: Thingiverse by CreativeTools

The Impossible 3D-printed bolt and nut is a free printable 3D model from Thingiverse by CreativeTools. The "Impossible bolt and nut" is an amusing 3D-printable two-part assembly with a working thread, where a nut is trapped on a bolt. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,073 saves Source: Thingiverse Updated 2026-10-06 License: CC-BY-SA · commercial OK 37 makes Category: Toys & Games

Tags: bolt, bolts, fastener, gap, mechanics, moving, Mutter, nut, screw, skruv, thread, toy, trapped

About this model

The "Impossible bolt and nut" is an amusing 3D-printable two-part assembly with a working thread, where a nut is trapped on a bolt. The single STL file contains the nut placed at a slight distance from the bolt's head. The gap between both is sized to create a "skipped" layer thus making a fracture plane so that the nut can be removed from bolt's head. We have supplied several STL files scaled to commonly available 3D-print heights. Please choose the one that closest fits your desired print height. It is possible to scale the STL up or down with successful results. Please see instructions for more information on how to 3D-print this bolt and nut. Also note that some slicing software and settings could interpret the air gap as an STL defect and remove the gap during print. You will have to …

Frequently asked questions

Is this 3D model free to download?: Yes. Impossible 3D-printed bolt and nut 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 CreativeTools.
Who made this model?: Designed by CreativeTools, 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.