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Best firmware for 3d printer


2022 A Complete Guide to The Best 3D Printer Firmware

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The word ‘Firmware’ is not to be afraid of. It is a simple program, like Firefox and Chrome that links software with the hardware. It translates input from the software into an output that the hardware can understand.

For example, the USB controller has firmware that allows the chip to receive information from the USB drive and convert it into a container that can be easily understood by the window explorer.

In 3D printers, firmware understands the ‘G-code’ sent to the slicer software by the user and translates it to the stepper drivers that control the motor, heater, flow, speed, and display, etc.

For example, the given G command  ‘G1 X 20 Y 10’  to the software is translated into a set of instructions understood by the stepper. Thus, the extruder reaches X=20 and Y=10.

In this article, we will list down the top 3D printer firmware in detail to make it convenient for you to choose one from different options available in the market.

List of Best Firmware for 3D Printers

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Marlin

Marlin is one of the most widely used firmware. It was created in 2011 by Erik van der Zalm for RapRep and Ultimaker 3D printers.

Being reliable and precise, it now manages most of the 3D printers. It was derived from the previous codes of Sprinter and GRBL. It has tons of features that are useful for 3D printing.

Marlin offers a comprehensive G-code with 150 commands. It supports five multiple extruders. It is licensed under GPLv3 and is free for all applications.

It is available in two different versions, one for 8 bits microcontroller and the other for 32 bits board. The 32 bits version offers more advanced and better features. It enables you to customize almost everything.

Salient Features:

  • Supports Cartesian, SCARA, Delta, and Core Kinematics.
  • Smartmotion system with linear acceleration, interrupt-based movements, and look ahead features.
  • Complete G-code movement, including arcs, lines, and curves.
  • Heater power control with thermal protection, auto-tuning, and cut-off and is useful for monitoring PID.
  • Controls LCD that supports 30 languages.
  • Supports SD cards with folders and long filenames.
  • Supports auto bed leveling with or without bed probe.
  •  Linear advance extrusion.
  • Supports volumetric, mixing, and multi extruders.
  • Supports Filament width/ runout sensors.
  • Print counter and print job timer.

PROS:

  • Large community support
  • Open-source
  • Highly compatible
  • Frequently updated
  • Versatile

CONS:

  • Causes a lot of memory issues when upgrading to Marlin 2.0
  • Issues with Marlin build

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Repetier

Repetier firmware is the firmware that is designed to work with all Arduino-powered circuit boards and a range of 8 bits boards.

It is known for its reliability and has remained dominant in the 3D printing market for many years. It works well with Repetier Host software and complements its features. It operates great on both Delta and Cartesian 3D printers.

The firmware is highly customizable. You can control many parameters and put in your requirements by using the Repetier firmware configuration tool. As its open-source, you can easily update and maintain it by freely downloading its advanced version.

Salient Features:

  • Supports multiple extruders and slicers.
  • Enables multi-part printing.
  • Supports SD card reader.
  • Supports Ramp acceleration.
  • Continuous temperature monitoring.
  • PID control for extruder temperature.
  • Fast with a 16000 Hz and more stepper frequency.
  • Controls nozzle pressure for quality 3D print with RAMPS.
  • Path planning for higher speed.
  • Fast ooze prevention.
  • Improved binary communication and standard ASCII.
  • Configuration parameters are stored in EEPROM.

PROS:

  • Reliable
  • Fast
  • Compatible with a graphical user interface
  • Uninterrupted communication
  • Smooth 3D printing

CONS:

  • Does not repair input files
  • Not suitable for beginners
  • Difficult to operate

Prusa Firmware

The skilled engineers and developers of Prusa Research developed Prusa firmware for their 3D printers. It is the modified version of Marlin firmware and offers features that are not available with other 3D printers.

It is designed to work well with all Einsy Rambo boards that come in Prusa 3D printers. It is free and open-source.

The firmware is regularly updated based on the users’ feedback. You can check Prusa’s GitHub repository for beta or pre-release candidate versions and a full log for each version.

These versions are for advanced professional users to try and provide feedback for future improvements. However, you should always take care when upgrading to a newer version as they are not fully tested and may be unstable.

Prusa 3D printers are one of the best printers that offer advanced features that include multi-material 3D printing, TMC 2130 driver and auto bed leveling, etc. These features are greatly supported by Prusa firmware.

Salient Features:

  • Maintains fast motion via planner look ahead.
  • 20KHz or more stepping rate.
  • Linear acceleration with interrupt-based movement.
  • Supports temperature maintenance sensor.
  • Maintains extrusion pressure.
  • Supports end stop.
  • Support SD cards with long file names and subfolders.
  • Support 20 x 4 character LCD with an Encoder wheel.
  • Configurable parameters are permanently stored in EEPROM.
  • Temperature oversampling.
  • Reports heater power for PID.
  • Faster and quieter XYZ calibration.

PROS:

  • Well documented
  • Clean and easy to use
  • Open-source

CONS:

  • Only for Prusa 3D printers

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RepRap

RepRap Firmware is an object-oriented highly modular control program that is designed to work on a duet controller board. It is one of the earliest options that support 32 bits board.

It can be easily updated by making a few changes in the configuration file through an SD card. Online configuration tool also enables you to define or upgrade your firmware.

The RepRap firmware not only supports 3D printers but also CNC machines, laser engravers, and cutters. It supports many G codes that are not supported by other firmware for configuration.

Setting up RepRap firmware can be tricky for someone who is not experienced and unfamiliar with the general steps. However, if you patiently read through the document and follow the process accordingly then the features that it offers are worth your hardship and patience.

Salient Features:

  • Precise step time generation during both constant speed and acceleration.
  • Precise carriage motion on delta 3D printers.
  • Supports auto-calibration.
  • Web user interfaces for all printing operations.
  • Reports printer status comprehensively.
  • Heater auto-tuning for PID monitoring.
  • Dynamic acceleration adjustment to mitigate ringing.

PROS:

  • Web-based configuration and control
  • Highly modular
  • G code used for all configuration

CONS:

  • Tricky to set up
  • Compatible with only 32 bits boards

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Smoothieware

A multipurpose firmware, Smoothieware was designed for Smoothieboard controllers. It works well on 32 bits boards.

It is rich in features and was developed with best-in-class performance in mind. It allows huge customized configuration including extra stepper motors and configures the board for CNC milling and laser cutting.

Smoothieware is limited to Azteeg X5 mini and Smoothieboard only. Its development and user community are relatively small and new. It is easy to use due to detailed documentation.

The firmware is free and small. It receives G code generated by the slicer software and then executes them for example auto-calibration.

Features:

  • Compatible with USB and Ethernet.
  • Easy and fast configuration.
  • Digital current control.
  • Fast acceleration and perfect next step generation.
  • Supports stepper extruder.
  • Controls extruder speed.
  • Support SD card drive.
  • Heated bed temperature control.

PROS:

  • Easy and flexible
  • 32 bits compatibility
  • Powerful
  • Free
  • Can be used for 3D printers, CNC milling, and laser engraving

CONS:

  • Limited to few boards
  • For small devices only
  • Small community

Klipper

Klipper is relatively new firmware with lots of great features. It was developed by GitHub. It uses a different approach for G code processing. Instead of the microcontroller performing the algorithms, all calculations are done by the host like Raspberry Pi and have the MCU execute steps at a particular time.

It makes use of an additional microcontroller. It is able to do calculations faster that enable quick 3D printing for example your 8 bits 3D printer can run at a speed of 80 to 100 mm/s.

Klipper features offer a great 3D printing quality experience and reliability. It can run on all types of 3D printers with little extra hardware. These include Delta, Core, and Cartesian. It is written in Python with simple coding and supports OctoPrint.

Features:

  • Enables stepper movement with a high precision of 25 microseconds on both new and old microcontrollers.
  • Supports printers with multi controllers.
  • Simple configuration.
  • Smooth advance pressure that reduces extruders oozing.
  • Supports ‘Input Shaping’ to reduce vibrations and eliminate ringing while 3D printing.
  • Portable codes.
  • Custom programmable G code commands.
  • Supports auto bed leveling, delta calibration, temperature sensors, thermal heat protection, and cooling system.
  • Constant acceleration with planner look ahead.
  • Supports LCD and stepper end stop.

PROS:

  • Precise
  • Simple and easy to use
  • Well documented
  • Fast processing
  • Open-source

CONS:

  • Relatively new
  • Less online community support
  • Requires extra computing power

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Sprinter

Kliment and Caru are the leading developers of the Sprinter firmware. However, many others also contributed with their patches. It is designed for RAMPS and other RepRap single controller board machines. It is licensed under GNU GPL v3 and is based on Tonokip’s firmware.

You can easily make adjustments to the calibration in the firmware. You need to know how to compile and upload it to get your hands on its useful features.

Features:

  • Supports SD card driver.
  • Stepper extruder.
  • Controls extruder’s speed and movement.
  • Exponential or constant acceleration.
  • Controls heated build plate.
  • ATmega internal pull-ups.

PROS:

  • Easy to make adjustments

CONS:

  • Slow down the printers speed
  • Not following the guidelines will damage your machine

Sailfish

Sailfish is the next-generation firmware designed for Makerbot 3D printers. It targets advanced professional users by offering features that are incredible.

It is fast and offers better quality 3D printing. It receives printing instructions from MakerWare software, SD card files, ReplicatorG, and other desktop programs and then executes those commands.

Sailfish has been around since 2011 and is based on various RepRap and MBI Gen 4 firmware. It was initially known as the Jetty firmware.

Features:

  • Supports acceleration with look-ahead planning.
  • Supports dual extruders enabling features like ditto printing.
  • Supports asymmetric advanced algorithms.
  • Enables auto bed leveling feature.
  • High stepper rate.
  • Supports safety cutoff.
  • Temperature control for PID monitoring.
  • Linear acceleration with interrupt-based movement.
  • Supports SD cards with high capacity and LCD control.
  • Configuration parameters stored in EEPROM.
  • More robust handling feature.
  • Supports Core XY and H-Gantry drive system.

PROS:

  • Enables advanced printing features
  • Well documented
  • Precise
  • Fast
  • Improved leveling script

CONS:

  • Not for beginners
  • Complicated

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APrinter

If you are looking for portable firmware then APrinter is a great option to be considered. It was developed by Ambroz Bizjak for RepRap and other CNC 3D printing.

It was written in C++11with some features of G++. It offers a heavy metaprogramming template and a web-based configuration. It is used to do both high and low-level configurations for supporting different components of various 3D printers.

The developers have paid special attention to coding and avoided hard coding. It works well on Duet, Ramp, 4pi, Melzi, and Radd controller boards. It doesn’t rely on inefficient libraries such as Arduino. The configuration parameters are either stored in an SD card or EEPROM.

Salient Features:

  • Supports various geometries. These include rotational and linear delta and Core XY. More new geometries can be added. However, you need RAM and a processor for sufficient speed.
  • Enables bed probing and calibration.
  • Supports multiple extruders, heater, and fan cooling.
  • Unified runtime configuration.
  • Homing of multiple parallel axes.
  • Constant acceleration with look-ahead planning.
  • High precision stepper.

PROS:

  • Portable
  • Great advanced features
  • Web-based configuration
  • No hard coding

CONS:

  • Not used widely

Redeem

Redeem firmware is the default firmware for Replicape. It was developed by Elias Bakken and is mostly written in Python.

Since version 0.14, it is based on Repetier code. It uses two heavy Programmable Realtime Units (PRU) on BeagleBone Black. One is for stepper timing and operation and the other is used to monitor end stops.

The firmware is similar to software like Marlin and Teacup etc. It allows you to monitor and restart some important processes including basic configuration editing through a web interface. It supports Octoprint and enables communication with Ethernet, USB, and virtual TTY pipes.

Salient Features:

  • Constant acceleration with PRU-based movement.
  • High stepper rate.
  • 128 steps look ahead planner.
  • Uses SI units.
  • Enables end stop configuration.
  • Enables web interface and supports SD card.
  • Temperature oversampling.
  • Automatic bed leveling.
  • PID autotune.

PROS:

  • Extendable plug-in architecture
  • Compatible with Delta, Core XY, and H belt
  • Bugs are reported
  • Controls extruder movement and speed

CONS:

  • Dependable installation requires system integration

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Teacup

For those who are looking for better 3D printing quality and have already messed up with 1000 configuration files and such stuff, Teacup is their go-to option.

It is easy to use and offers high performance and simple coding. It is the first RepRap firmware that offered acceleration. It is designed for many ATMega and Arm-based controllers.

Teacup runs smoothly and fast. Instead of C++, it uses 100% integer math and avoids long math operations. It offers optimum precision over a wide range of controllers. These include 8, 32, and 64 bits controllers. It can be easily tailored to run on small controllers like ATmega168.

Salient Features:

  • Supports printing from SD card and USB drive.
  • Smooth stepper.
  • An indefinite number of heaters, temperature sensors, and devices.
  • Enables CNC milling and spindles.
  • Start-stop ramping with a look-ahead feature.
  • GUI-based calibration and uploading.

PROS:

  • Easy to run
  • High-quality 3D printing
  • Fast and smooth processing
  • Compatible with a wide variety of controllers

CONS:

  • Teacup Firmware and Skeinforge don’t run well together

MK4duo

MK4duo is firmware designed for Arduino compatible setups by MagoKimbra since 2013.   It is based on Sprinter, Marlin, and Grbl firmware and is licensed under GNU GPL v3.

Its lead developers are Caru and Kliment. It works well on Rumba, RAMPS, Alligator, Generation 6 Electronics, and many other controllers based on 8 or 32-bit microcontrollers.

MK4duo supports all types of 3D printers. These include Delta, Cartesian, Core, Reverse MORGAN SCARA and MAKERARM SCARA.

Salient Features:

  • Linear acceleration with interrupt-based movement.
  • High step rate.
  • High speed with look ahead planner.
  • Interrupt-based temperature control.
  • Supports a full end stop.
  • Supports SD Card with folders and long filenames.
  • Supports LCD both character-based and graphical.
  • Standalone 3D printing.
  • EEPROM storage for configuration parameters.
  • Reports power heating.
  • Delta kinematics.
  • Supports filament width and run out sensors
  • Up to 6 multiple extruders.
  • Auto calibration.
  • Supports Laser beam.
  • Enables color mixing.
  • Added nozzle cleaning.
  • Stop and Resume feature.
  • Controls cooler and hot chamber.

PROS:

  • Advance features
  • Best for multi-color 3d printing
  • Fast acceleration
  • Easy to install

CONS:

  • Not too widely used

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Grbl

Grbl is a high-performance and low-cost firmware with no compromise. It is a substitute for parallel port-based movement control for CNC milling.

It operates on a vanilla Arduino (Duemillanove/Uno) till it runs on Atmega 328. It is written in modular C and uses all great features of the AVR chips for simultaneous operation and precise timing.

The firmware accepts standard g-code and has undergone several tests with several CAM tool’ outputs without any problem. It was licensed under the GPLv3.

Salient Features:

  • Supports Arcs, circles, and helical motion, and all other primary g-code commands.
  • Full acceleration management with a look ahead.
  • Smooth acceleration.
  • Jerk-free cornering.

PROS:

  • Great performance
  • Low cost
  • Precise operation

CONS:

  • Does not support macro variables, functions, and most canned cycles
  • Does not require a parallel port
  • Does not control extruders

SJFW

Looking for advanced firmware for modern 3D printers, SJFW serves the best. It was authorized by ScribbleJ and has been active since January 2012. It is for Atmega644p and greater processors. It is rich in features.

Features:

  • Intra-Move speed chaining.
  • Supports SDcard and LCD control.
  • Stores parameters in EEPROM.
  • Full runtime configuration.
  • Temperature history.
  • Advanced Gcode Pipeline.
  • Lookahead.
  • ISR driven movement.
  • High Acceleration.
  • Supports ReplicatorG and Pronterface RepRap host.
  • It is easy binary to install.
  • Supports Thing-O-Matic or Gen4 3D printers with extruder.
  • Optional use of Marlin firmware motion engine.
  • Bluetooth.

PROS:

  • Most advanced features
  • Easy to install and use
  • Best for powerful controllers

CONS:

  • No guarantees
  • Only tested by the author
  • No homing command

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ImpPro3D

Impro 3D was authorized by MaxPro3D and was active since February 2014. It is based on Sprinter firmware and was designed for a specific electronic, an Arduino MEGA 2560 with a specific shield.

Features:

  • Stepper extruder.
  • Controls extruder speed.
  • Controls movement speed.
  • Supports heated print platform.

PROS:

  • Was part of a project by a team of 7 engineering students of the Ecole Centrale de Lille, an engineering school
  • A modified version of Sprinter

CONS:

  • Not much tested or used

Buyer’s Guide

There are numerous factors one should consider when buying a 3D printer with the best firmware. These include:

Advanced Features

You should know the firmware of the 3D printer you are going to purchase as it will tell you the features that you can access. You might need to get firmware for your 3D printer to have a hand on certain specific advanced features.

The Controller Board

The controller board of the 3D printer is like the motherboard of any CPU or cellphone. Like Apple drive cannot run the android applications, similarly, the controller board cannot run all firmware.

If you want to run a specific firmware, you need to check whether the specifications of the controller board of your 3D printer are compatible with your chosen firmware or not.

Faster Calculation

It depends on the 3D printing technology you are going to purchase. For example, the delta 3D printers require complex instructions for precise movement control. If the firmware cannot process these instructions quickly, the printer might collapse at high speed.

Frequently Asked Questions (FAQs)

How do I find out the firmware of my 3D printer?

If there is any menu option available named ‘About’ or ‘Version’, then you could know the firmware from there. Alternatively, you could simply visit the manufacturer’s website and search for your printer information by model or serial number.

When should I update the firmware?

If your 3D printer is freezing when trying to operate it quickly, you need an upgrade of the firmware. This will allow you to also access advanced features that your current firmware might not support.

How do I update firmware on my 3D printer? 

  • Connect your 3D printer to a computer and power it on.
  • Log in to your computer using an administrator account.
  • Download the latest firmware update file relevant to your 3D printer from the manufacturers’ web page.
  • Double click on the updated firmware file to begin the installation.

Conclusion

Choosing the best firmware for your 3D printer might be challenging. By reading this guide, we hope you were able to choose one that best fits your 3D printing goals.


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A Guide to Choosing Firmware for Your 3D Printer

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Amidst all the bells and whistles of 3D printers, it is easy to overlook the importance of the programming that lies within the hardware. The firmware of a 3D printer is basically what gives it life. It interprets the G-Code generated from the slicer and sends out instructions to the various hardware components for execution.

If you’re really into tinkering with your 3D printer, you can even consider changing up its firmware. This can potentially improve the performance of your 3D printer. Here’s our guide on how to change the firmware of your 3D printer, as well as the most popular firmware options.

What does the firmware do?

The firmware of the 3D printer is often described as the bridge between hardware and software. It is a program that can interpret commands from the G-Code and translate these commands into specific actions of the hardware components.

To demonstrate, the firmware can read a G-Code command like “M109 S180” and it will send an instruction to the heating block to increase its temperature up to 180 C. Similarly, a G-Code command like “G1 X20 Y50” will prompt the firmware to send instructions to the stepper motors that control the movement of the print head so that it will reach the position described by X=20 and Y=50.

Underneath all these seemingly simple instructions are thousands of calculations and logic operations that the firmware does. This determines just how precisely and accurately the components of a 3D printer function. In some cases, firmware can have unique features that open up different options for 3D printing.

Why should you change a 3D printer’s firmware?

Although changing a 3D printer’s firmware does not take a lot of work, it can be quite a daunting task if you’re doing it for the first time. There will almost certainly be some troubleshooting involved, as well as a new learning curve that you will have to overcome. Is a new firmware worth all the extra work? Here are a few good reasons for making a firmware change:

Hardware changes

The number one reason that people change firmware is because of compatibility issues. This can come up if you’re installing a new control board in your 3D printer. Some control boards may have a limited list of compatible firmware. In some cases, your new control board may only work with a proprietary firmware.

Before getting a new control board, make sure to do your due diligence and check for any compatibility issues. If you’re unsure about any compatibility issues, then it would not hurt to ask the manufacturer.

Faster performance

Each firmware is uniquely coded and gets periodic upgrades. This can mean significant differences in performance across different firmware. In many cases, this can mean better performance for your 3D printer through faster calculations and more precise movement. Tweaking with firmware is one of the many ways that professionals can make their 3D printers just a little bit faster or more accurate.

Unique features

3D printing firmware might also have differences that are more than subtle. One firmware may offer better compatibility with multiple extruders, while another may support the printing speeds of Delta or CoreXY 3D printers. These are highly specialized features that you may find only on a specific handful of firmware options.

Most popular 3D printing firmware

There are probably more than a dozen different firmware options out there for 3D printers, but we will just narrow down the list to the five most popular and widely used.

1. Marlin

To this day, Marlin remains the most widely used firmware in 3D printing. Created in 2011, Marlin has since been adopted and improved by a huge community via GitHub. With this level of support, GitHub is known as one of the more reliable firmware options – should it have any bugs, you can count on the community to have them fixed quickly.

This open-source nature is also one of the reasons why Marlin is known as a highly versatile firmware. It can be used on both 8-bit boards and 32-bit boards and is compatible with a wide range of 3D printers and control boards. Users who are building their own 3D printers from separate components often go to Marlin as their firmware of choice.

Marlin is compatible with practically any type of 3D printer hardware. It works with Cartesian, Delta, and CoreXY printers, multi-extrusion printers, auto bed leveling, filament run-out sensors, heater power control, and up to 30 languages. Marlin is so versatile that it is often also used in CNC machines.

2. Repetier

Repetier is as much a mainstay in the 3D printing community as Marlin. It works with a wide range of 8-bit boards and, more specifically, control boards that use Arduino. It is mainly this lack of compatibility issues that has made Repetier popular for a very long time.

In terms of reliability and consistency in performance, Repetier is an excellent firmware choice. It works exceptionally well with the Repetier Host all-in-one software, so you might want to consider combining the two in your 3D printing setup.

Repetier supports various performance and quality-of-life issues. These include high-speed printing, compatibility with LCD monitors, and the ability to print files directly off SD cards. With its long history and very active community of users, documentation and guides on Repetier are easily available and incredibly detailed.

3. Prusa

Prusa is one of the top brands in the market for 3D printers, so it’s no surprise that their proprietary firmware is also excellent. The Prusa firmware is a modified version of Marlin that is programmed specifically to work with the Einsy Rambo control boards of Prusa 3D printers. This is probably the biggest drawback of this firmware – you can’t really use it unless you own a 3D printer from Prusa.

The big advantage of developing firmware specifically for a small selection of 3D printers is that it can be optimized to work extremely well with the hardware. The Prusa firmware supports all the best features that Prusa printers have been known for. These features include multiple extruders, multi-material printing, mesh bed leveling, and temperature oversampling. Despite being proprietary, the Prusa firmware is still open-source and has benefitted from user customization and improvement.

4. Klipper

Klipper takes a different approach to processing G-Code commands. Instead of the control board having to do all operations, some of the execution steps are off-loaded to a separate microcontroller in addition to a general-purpose computer such as a Raspberry Pi. The result is that Klipper can do calculations much faster, making it an ideal firmware for high-speed 3D printers.

With a more sophisticated processing sequence, Klipper is capable of executing more steps per second. This can result in significantly improved print quality and detail accuracy. One of its more intriguing features is its ability to cancel out errant movements of the print head using an attached accelerometer. This can help avoid common artifacts such as ringing or misaligned layers.

The biggest drawback of Klipper is that it’s a lot more complex to set up, especially compared to more mainstream options like Marlin.

5. SmoothieWare

SmoothieWare is firmware that was written specifically for the Smoothieboard controller, but its compatibility range has expanded a bit since then. This firmware for 32-bit boars boasts of easy configuration and versatility not just for 3D printers, but also laser engravers and CNC machines.

The focus of this firmware is performance and freedom of configuration. It allows for jerk-free motion even when running at higher speeds, making it ideal for CoreXY and Delta 3D printers. Setting up Smoothieware is easy if you will be running it on a Smoothieboard controller, mostly because most of the documentation is based on the original hardware.

If you’re using a Smoothieboard, then installing Smoothieware is really a no-brainer. Unfortunately, the range of compatible boards is still very limited. If you’re lucky enough to have a compatible board, the Smoothieboard is among one of the best firmware in terms of performance and ease of use.

How to check your 3D printer’s firmware

If you’re still just beginning with 3D printing, you might now even know exactly which firmware your 3D printer is using. There are several ways that you can check depending on your 3D printer.

  • If your 3D printer comes with a firmware by default, then it is likely documented in the printer’s manual. You can also try checking if the printer displays the firmware name and version on its display or user interface.
  • Conversely, you can use access the firmware of your control board using a console and send the M115 command. This will return the firmware information including its name and version. In some cases, this will also provide a link to where the source code of the firmware can be downloaded.

Knowing your printer’s firmware has several advantages. The first is that you can check if there are more recent versions of your firmware. You can also try to check online for community support should you run into problems. Lastly, it is crucial information in deciding whether a change in firmware is in order.

How to install new firmware in your 3D printer

If you have finally decided on installing new firmware in your 3D printer, there are a few things that you will need to download or look up online first. These can be done on any standard computer. The one you use regularly with your 3D printer should work perfectly fine.

Download the firmware and lookup printer settings

The first step would be to download the firmware of your choice. The default option would be to download the latest version, although you may want to look at the developer notes to see if there are any bugs that need to be addressed. In such a case, it would be better to stick with the latest stable release.

Each firmware should have a general profile for the type of 3D printer you are using. Now would be a good time to look this up and write down the most important parameters. At a minimum, this includes the steps of all the stepper motors, as well as their maximum feed rates and travel distance values. This will eliminate much guesswork in setting up the new firmware.

Some firmware options, such as Marlin, come with an “examples” folder that has configuration files for the most popular 3D printers. You can try exploring for those or read up on the documentation of your firmware.

Download Arduino IDE

The Arduino Integrated Development Environment (IDE) will allow you to view the code for the firmware, edit it, compile, and upload it to the 3D printer. It can be downloaded here.

First off, connect your computer to the 3D printer using a USB cable and open your firmware of choice using Arduino IDE. At this point, you can edit the firmware code according to the recommended parameters for your printer.

Go to the “Tools” section of Arduino IDE and look for the control board of your 3D printer in the drop-down list. You can then click the “Verify” button at the top left of the window which will start compiling the code. Hopefully, the code will compile without errors.

With the firmware compiled, you can now upload it to your 3D printer using the “Upload” button, also located in the upper left section. If you’re changing to a completely new firmware, many of your printer settings will likely have been reset to default values. To restore these settings based on your preferred configuration, you can run the “Initialize EEPROM” tool in the interface of your 3D printer.

Final thoughts

The idea of changing the firmware of your 3D printer may seem daunting, and that’s for good reason – this is not something that you should do on a whim. Using new firmware could mean having to reevaluate the settings of your 3D printer, with due consideration of how it works with different filaments.

We have outlined some of the acceptable reasons for changing a 3D printer’s firmware. You can do it to improve the printer’s performance or just to avoid compatibility issues. The act of changing the firmware actually isn’t very hard. The real challenge is in adjusting and learning how to use the new firmware.

Warning; 3D printers should never be left unattended. They can pose a firesafety hazard.

About firmware "SHUI" - SHUI

SHUI - firmware for 3D printers based on

control boards

MKS Robin Nano revisions 1.1, 1.2, 1.3, 2.0, 3.x. As well as their analogues from FlyingBear Ghost such as Reborn 2.0 and 3.0

Installation and configuration guide.

Relevance: firmware

TEST-ONLY from 11/16/2022

Special thanks for the invaluable contribution:

  • Vladimir
  • Alexey
  • Rodion

Before you start

The firmware develops very quickly and all changes always arrive first in the test version (test-only folder on GitHub). Accordingly, all pictures and descriptions here relate only to the TEST version of the firmware. Why? Yes, because a) the test firmware is quite stable, because the author is a great professional, b) because the test firmware has the most goodies and c) because the author of the manual does not have time to maintain two branches in parallel. Summary : if you are very afraid of fresh software - go back to Marlin. I recommend to put only test - it is always on top. To the madness of the brave we sing a song. Now let's start.

Introduction

SHUI firmware is a modified and improved firmware for Marlin 3D printers, with a unique graphical interface. The firmware compares favorably with other Marlin graphic add-ons in that it has not only a convenient and ergonomic interface, but also a lot of opportunities in terms of configuring various basic and system parameters of Marlin directly from the user interface, without requiring recompilation of source codes.

About the author

The author of the firmware is Vyacheslav Shubin . Firmware discussion, latest news and links to fresh releases and test builds are located on the shui-public channel in Telegram: https://t.me/joinchat/8eQiBVI29zw1YTU6
The author's github with firmware is located here: https://github. com/vyacheslav -shubin/shui

The author takes note of any constructive suggestions and implements them in new versions with amazing speed. So if you have constructive offers - offer.

Attention! Certain conditions of communication are accepted in the telegram channel, namely - politeness to others and no rudeness, POLITICS and swearing, even disguised. This is the will of the author, and you, as a guest, are obliged to adhere to the rules. If you want to dissolve the language - do it in another place, please. Otherwise, Vibegallo's cadaver is waiting for you and you will not get away, but will go to shave your ears alone.

From the author of this manual

Photos of the printer screen were taken with a camera and/or mobile phone and do not fully convey the entire color gamut of the image on the display. Sometimes they are created in an artificial way, which is more juicy in colors, but I did not find a suitable font. The original appearance of the interface is much better. Russian language, style, syntax and spelling errors are ignored. Technical terms are used as necessary.
There may be discrepancies between the pictures of the display and the real image on the screen - this is due to the fact that the firmware is constantly being finalized and supplemented with new functionality. The camera simply does not keep up with the author of the firmware.

All coincidences with real animals, and God forbid with people - are accidental. The author does not know anyone, does not know anyone and has no relationship. All settings in the pictures are random and are provided as a guide only. I walked by, took out my phone and took a picture. I don't remember the place and time... Set up your printer yourself, according to your data.

Consider the following words as synonyms:
⦁ Printhead = Carriage =
⦁ Limit Switch = Limit Switch
⦁ Auto Level Sensor = BLTouch, 3DTouch or BFTouch
⦁ We believe that BLTouch and 3DTouch are the same

About the firmware version described here

I repeat once again: this manual describes only the current test firmware version. There is also a stable one. The stable version lags behind the test version in terms of functionality and constantly confuses all weaklings, so the author of the manual (that is, me) decided to describe only the latest test versions. Maintaining two branches is time consuming, and then, any test branch sooner or later becomes stable. If you find discrepancies in what you read and see in yourself, then use the brain for its intended purpose.

About widgets and buttons

To avoid short circuits in immature minds, I'll tell you a little about "widgets". From the point of view of the author of the firmware, any element on the printer screen that has some functionality is " widget ". Those. these are windows, and temperature indicators, and dialogs, and even buttons - all these are widgets. However, in this manual, to simplify the presentation, I will call widgets only windows that carry certain functionality (roughly speaking, windows with buttons and / or indicators), and I will call the rest of the elements in the usual terminology: buttons - buttons, dialogs - dialogs, indicators - indicators, etc. , forgive me Vyacheslav for such a simplification.

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