Marlin is a popular open source firmware for the RepRap family of 3D printers. It is straightforward, reliable, extensible and adaptable, which is why it is used by many respected commercial 3D printer vendors as well as hobbyists. It runs on inexpensive 8-bit Atmel AVR micro-controllers, with added support for 32-bit and ARM-based boards. Marlin builds can be small enough for use on a headless printer with only modest hardware, and features can be enabled as-needed.
Features
- Full-featured G-code with over 150 commands
- Complete G-code movement suite, including lines, arcs, and Bézier curves
- Smart motion system with lookahead, interrupt-based movement, linear acceleration
- Support for Cartesian, Delta, SCARA, and Core/H-Bot kinematics
- Closed-loop PID heater control with auto-tuning, thermal protection, safety cutoff
- Support for up to 5 extruders plus a heated printbed
- LCD Controller UI with more than 30 language translations
- Host-based and SD Card printing with autostart
- Bed Leveling Compensation — with or without a bed probe
- Linear Advance for pressure-based extrusion
- Support for Volumetric extrusion
- Support for mixing and multi-extruders (Cyclops, Chimera, Diamond)
- Support for Filament Runout/Width Sensors
- Print Job Timer and Print Counter
Project Samples
License
GNU General Public License version 3.0 (GPLv3)
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