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Overview

Welcome to the Rinkhals project documentation!

Rinkhals is a custom firmware overlay for the Anycubic Kobra series of 3D printers. It supports Kobra 2 Pro, Kobra 3 series, and Kobra S1 series. This documentation covers what we know about those printers, the Anycubic software stack, Rinkhals internals, and high-level guides to achieve specific goals.

Support Status

Supported Models (GoKlipper / K3)

These printers are currently compatible with Rinkhals: - K2P: Anycubic Kobra 2 Pro - K3: Anycubic Kobra 3 (+ Combo) - K3V2: Anycubic Kobra 3 V2 (+ Combo) - K3M: Anycubic Kobra 3 Max (+ Combo) - KS1: Anycubic Kobra S1 (+ Combo) - KS1M: Anycubic Kobra S1 Max (+ Combo)

Experimental / Incompatible (KlipperC++ / K4)

  • K4Pro: Anycubic Kobra X — Currently not supported due to RSA signature verification.

Getting Started

The main project is located on GitHub: https://github.com/rinkhals-community/Rinkhals
To quickly start using Rinkhals, check the quick start guide

If you prefer a video, Kanrog on Discord made a video explaining how to install Rinkhals:

Documentation Structure

  • Rinkhals: Documentation about Rinkhals, its features and internals.
  • Guides: High level guides for Simplyprint, Spoolman, and more.
  • Printers: Generic and specific documentation about the Anycubic Kobra series.
  • Firmware: Reverse engineering and documentation about the original firmware.

FAQ

Please check the FAQ for commonly asked questions about Rinkhals.