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Model-TG

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Unofficial firmware additions for the Elektron Model:Cycles (OS 1.13): a full Sampler machine, resampling, beat-repeat with master FX, and more

Model-TG is custom firmware for the Elektron Model:Cycles, by @TinyGregAudio. Latest release v1.0.0 (October 2026), 145 stars on GitHub.

forElektron Model:Cycles·by@TinyGregAudio

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Model-TG

Unofficial firmware additions for the Elektron Model:Cycles (OS 1.13): a full Sampler machine, resampling, beat-repeat with master FX, and more.

Model-TG is built on your computer from your own copy of the stock OS. It patches new code into the firmware, so everything the Cycles already does keeps working.

Unofficial. Not made, supported or endorsed by Elektron. You install it at your own risk: back up first, and see going back to stock. No firmware images are distributed here or anywhere by this project. Build your own.

What it adds

  • A Sampler machine, the seventh machine on any track. It plays samples from the Cycles' internal storage, a different sample per pattern, with p-lockable per-step sample locks.
  • Seven playback modes: One shot, Loop, Slice, Granular, Stretch (time-stretch), Pluck (Karplus-Strong) and Wave (wavetable), each with its own options.
  • Slicing: equal, by transients, or your own markers set in a full-screen slice editor. You can tap them in time, snap them to zero crossings, and set a pattern's trigs to walk the slices with one press.
  • Resampling of a track, the whole output or the computer's USB audio, in mono or stereo, straight onto a track, then saved to internal storage.
  • Stereo samples in every mode.
  • Retrig page: beat-repeat on the tempo grid, plus 12 master FX (drive, crush, rate, pump, filter, ring mod, noise riser, gate, tape stop, vinyl, flanger).
  • Attack, Filter and Resonance added to all the stock machines.
  • Slide trigs: a trig that glides every differing parameter, p-locks included, from the trig before it, on any machine.
  • Scale Lock, sample upload through Elektron Transfer, a System page with CPU and memory use, and lower CPU use overall.

The full, button-by-button guide is in docs/USER_GUIDE.md.

Getting it

The easiest way is the web flasher: pick your stock OS 1.13 file and it builds Model-TG right there in your browser. Your file never leaves your computer. Install the result like an official OS update.

Or build it yourself:

git clone https://github.com/TinyGregAudio/Model-TG
cd Model-TG
python3 build.py --stock path/to/model-cycles_OS1.13.syx

Then install Model-TG.syx like an official OS update. The tools you need, and how to go back to stock, are in docs/BUILD.md.

Contributing

Pull requests for new behaviour are welcome. See CONTRIBUTING.md to get started, and docs/INTERNALS.md for how the firmware is patched and what is already known about it.

Credits

License

MIT for the code and documentation here. Elektron's firmware is not part of this project and is not covered by it. "Elektron" and "Model:Cycles" are trademarks of Elektron Music Machines; they are used here only to say what this works with.