Is this 3D model free to download?

Yes, 420 roller chain. Modular, with chain lock and sprockets 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 Hartvik, 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.

420 roller chain. Modular, with chain lock and sprockets 3D printable model by Hartvik

420 roller chain. Modular, with chain lock and sprockets photo 1

420 roller chain. Modular, with chain lock and sprockets photo 2

420 roller chain. Modular, with chain lock and sprockets photo 3

420 roller chain. Modular, with chain lock and sprockets photo 4

420 roller chain. Modular, with chain lock and sprockets

Source: Thingiverse by Hartvik

The 420 roller chain. Modular, with chain lock and sprockets is a free printable 3D model from Thingiverse by Hartvik. 420 roller chain, chain lock included 42 links 53,3 cm 84 links 106,7 cm 168 links 213,4 cm Also made a 102x102 mm version for smaller printbeds Sprockets: 9T,11T,12T,36T,48T You. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

918 saves Source: Thingiverse Updated 2026-11-01 License: CC-BY · commercial OK 1 makes Category: Tools & Workshop

Tags: 420, bicycle, bike, chain, chain lock, crank, hobby, mechanical, robot, roller, sprocket, sprockets, transmission

About this model

420 roller chain, chain lock included 42 links 53,3 cm 84 links 106,7 cm 168 links 213,4 cm Also made a 102x102 mm version for smaller printbeds Sprockets: 9T,11T,12T,36T,48T You have to break off the two ends so you get two "female" links to mate the chain lock with. The reason they are there is to provide support for the female ends during printing. For STEP files, see:

Frequently asked questions

Is this 3D model free to download?: Yes. 420 roller chain. Modular, with chain lock and sprockets 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 Hartvik.
Who made this model?: Designed by Hartvik, 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.