Voron Design is a nonprofit organization that develops specifications for free and open hardware. They have developed specifications for several 3D printers and have been described as a revival of the RepRap project. [1]
Users must assemble the parts themselves from bill of materials or kits from third-party suppliers. [2] The open specifications and extensive use of off-the-shelf products make the printers highly maintainable, modular, and expandable. This provides great flexibility in configuration, no lock-in to proprietary systems, and good repairability.
The project helped popularize CoreXY printers (along with other open source projects such as the Rat Rig V-Core and VzBot 330), and has greatly influenced commercial printer designs. [3] The company Sovol has implemented the designs in the Sovol SV08 (Voron 2.4 clone) and Sovol Zero (Voron 0.2 clone). [3] The project has also led to increased use and development of the Klipper firmware, which has added new techniques for high-speed printing such as input shaping and pressure advance, as well as broader support for more microcontrollers.
The Voron project was started by Russian Maksim Zolin (pseudonym russiancatfood, RCF) who wanted a better, faster, and quieter 3D printer. He built a printer and started the company MZ-Bot based on open source ideology. [4] He used the GitHub repo mzbotreprap.
In 2015, the Voron Geared Extruder was released as the first design to use the Voron name. [5] In 2015, Zolin sold the first 18 printers as kits (Voron 1.0, later renamed Voron Trident, and quite similar to the later Voron Legacy), and marked them with serial numbers. [6] In March 2016, the first Voron printer was publicly released [5] via the company MZ-Bot. [4]
The V24 was an experimental model with a build volume of 24×24×24" (610×610×610 mm). Only two were built, laying the foundation for the later Voron2. [5] By February 2019, over 100 Voron2 printers had been built and assigned serial numbers, and a year later in 2020, the number had increased to 350 Voron2 printers. The Voron2.0 was never officially launched. [5]
Zolin found that he did not want to run a company and instead decided to release his work fully to the outside world, inviting others to collaborate with him. [7] The tradition of marking new builds with serial numbers has lived on, and users who build their own Voron printer can be assigned their own serial number as proof of the hard work they have put into sourcing parts, assembling, and configuring the printer.
In May 2020, Voron2.4 was launched, and over 2,500 [5] printers were registered with serial numbers before the 2.4R2 version was launched in February 2022. [8] In 2021, Voron Trident was launched. Voron 0.2 has also achieved great popularity.
The project has evolved into several models targeting different use cases. All designs are released under open licenses so that users can build, modify, and improve upon the designs. Some popular models include the Voron 0.2, Voron 2.4, and Voron Trident, all of which are CoreXY filament printers.
Some well-known specifications include:
3D-printed parts are needed to build the printers, but if the user is unable to make these themself they can be purchased via the Print It Forward (PIF) program. [26] [27] [28] It is possible to purchase all other parts on the open market, but kits are also offered by LDO motors, [29] Formbot, [30] FYSETC, [31] SIBOOR and Magic Phoenix.
An active user community maintains specifications, shares experiences, improvements and modifications. This contributes to continuous development and improvement, and there are several types of adaptations, extensions and further developments.
Popular modifications include:
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