Is this 3D model free to download?

Yes, Pull-pull cord retractor (Automatikaufroller) 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 KB_Prototypes, 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.

Pull-pull cord retractor (Automatikaufroller) 3D printable model by KB_Prototypes

Pull-pull cord retractor (Automatikaufroller) photo 1

Pull-pull cord retractor (Automatikaufroller) photo 2

Pull-pull cord retractor (Automatikaufroller) photo 3

Pull-pull cord retractor (Automatikaufroller) photo 4

Pull-pull cord retractor (Automatikaufroller)

Source: Thingiverse by KB_Prototypes

The Pull-pull cord retractor (Automatikaufroller) is a free printable 3D model from Thingiverse by KB_Prototypes. A automatic cord retractor with auto locking functionality and pull-pull release. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

34 saves Source: Thingiverse Updated 2026-11-02 License: CC-BY-NC · non-commercial Category: Gadgets & Electronics

Tags: badge retractor, cable retainer, cord reel, Cord reel retract, cord wrap, ear saver, handy, handy sicherung, kabelaufroller, key retractor, mobile safety, phone guard, pull pull, reel, retractor

About this model

A automatic cord retractor with auto locking functionality and pull-pull release. Since pictures during via ferratas are so great but always connected with the hope of not letting your phone fall (or become an oblation to the mountain spirits ;) ) i designed a small helper. I usually attach it to my pants or backpack on the one side while the phone is connected via a cord through the phone cover. For printing: Use any material you like to use, but I would recommend PET at least for the rotary bolt to ensure the knob can withstand some impulse from the spring. Supports are usefull for the spool. Ensure that the control curve is smooth. Avoid layerheigths >0.2mm or the small knob of the rotarybolt or the spring slit of the base are prone to break. Assembly: 1) Thread your cord through the ho…

Frequently asked questions

Is this 3D model free to download?: Yes. Pull-pull cord retractor (Automatikaufroller) 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 KB_Prototypes.
Who made this model?: Designed by KB_Prototypes, 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.