Is this 3D model free to download?

Yes, Strong Flex door Carabiner 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 Charlie1982, 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.

Strong Flex door Carabiner 3D printable model by Charlie1982

Strong Flex door Carabiner

Source: Thingiverse by Charlie1982

The Strong Flex door Carabiner is a free printable 3D model from Thingiverse by Charlie1982. Appreciate "Axel Johansson" did the "Strength test" at this design. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

3,394 saves Source: Thingiverse Updated 2026-10-23 Print time: 1h 22m License: CC-BY-SA · commercial OK 48 makes Category: Tools & Workshop

Tags: 123D, artproject, beltclip, carabiner, chain, connector, customizable, customizer, daily use, DesignProject, engineeringproject, key, keychain, keyring, link

About this model

Appreciate "Axel Johansson" did the "Strength test" at this design. Check the film on youtube Here's the info of the film and the test result Measuring of the maximum force the carabiner "Strong Flex door Carabiner" from thingiverse can handle. Measured maximum force: 236 N The carabiner is printed in ABS. The design is Charlie1982's: Infill: 100% layer height: 0.15 mm Temperature: 245 °C Total print time: 1:22 h Thousands of thanks Axel did the test and sharing the result :D ------------------------------------------------------------------- Carabiner is very useful to me, I make the design by 3D print can let the door feel like spring inside. The design can print without support and raft. Layer high from 0.15mm~0.3mm is fine. Infill better to use over 70%. Here is the video link: Hope yo…

Frequently asked questions

Is this 3D model free to download?: Yes. Strong Flex door Carabiner 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 Charlie1982.
Who made this model?: Designed by Charlie1982, 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.