Is this 3D model free to download?

Yes, Mini Enigma Machine / Funkschlüssel C 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 RabbitEngineering, 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.

Mini Enigma Machine / Funkschlüssel C

Source: Thingiverse by RabbitEngineering

The Mini Enigma Machine / Funkschlüssel C is a free printable 3D model from Thingiverse by RabbitEngineering. Perhaps the most important electromechanical machine ever created, the German Enigma, which was used by U Boats to encrypt their radio transmissions. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

144 saves Source: Thingiverse Updated 2026-10-05

Tags: Mini, Enigma, Machine, /, Funkschlüssel, C

About this model

Perhaps the most important electromechanical machine ever created, the German Enigma, which was used by U Boats to encrypt their radio transmissions. If you have not heard about this device, I recommend you go and look it up, along with Alan Turing! Building this is tricky - please see the video we made here:

Frequently asked questions

Is this 3D model free to download?: Yes. Mini Enigma Machine / Funkschlüssel C 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 RabbitEngineering.
Who made this model?: Designed by RabbitEngineering, 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.