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Rat Rig is a Portuguese company near Faro that designs and sells do-it-yourself kits for large CoreXY 3D printers and CNC machines, mostly to buyers abroad. Its V-Core printers come as kits you assemble, run on RatOS, Rat Rig's Klipper distribution, and suit makers who want a big machine they can upgrade and repair themselves.

Год основания: 2014 · Штаб-квартира: Near Faro, Portugal · Собственность: Privately held; founder and CEO Miguel Carvalho (2024) · Люди: About 30 employees (2024) · Веб-сайт: ratrig.com

Published designs, a GPL Klipper distribution, standard parts and no cloud leave the owner in control. The one limit is that the design files may not be reused commercially.

Стандартная и кастомная прошивка
●●●●●		 RatOS, Rat Rig's Klipper distribution, is developed in the open on GitHub under the GPL-3.0 and was still being updated in 2026 (2.1 release line); plain Klipper and Mainsail can be used instead. [8][7]
Локальное управление и интеграции
●●●●●		 RatOS runs Klipper, Moonraker, Mainsail and KlipperScreen on a Raspberry Pi in the printer, on your own network, and Moonraker's API is documented. Rat Rig has no printer cloud or account. [7][17]
Сторонние филаменты, слайсеры и компоненты
●●●●●		 The machines use standard parts (MGN and HG rails, Gates belts, LDO and BigTreeTech electronics, Orbiter extruders) that Rat Rig and others sell, any filament, and any slicer; OrcaSlicer ships V-Core 3, V-Core 4 and V-Minion profiles. [4][16]
Ремонт и запчасти
●●●●●		 Rat Rig sells parts one by one and publishes CAD, STL files, bills of materials and step-by-step build guides on its wiki. The design files are licensed CC BY-NC-SA 4.0, so they are free to use and modify but not for commercial reuse. [6][10][2]
Данные и конфиденциальность
●●●●●		 Printing needs no account and everything runs on the printer's Raspberry Pi; RatOS's setup script even turns off the telemetry of the web framework its configurator uses. Rat Rig's privacy policy covers only its web shop. [9][5]
Сообщество и документация
●●●●●		 Rat Rig says its user communities (Facebook groups, plus an unofficial Discord) have many thousands of active members; documentation is public on its wiki and the RatOS site, and RatOS is developed openly on GitHub (by Mikkel Schmidt, per the RatOS docs). The documentation is split across the two sites. [1][7][6]
Преимущества
  • Large build volumes, up to 500 mm, at kit prices.
  • Open, documented designs and standard parts make repairs and upgrades straightforward.
  • RatOS gives a ready-made Klipper setup that runs entirely on your own network.
  • Upgrade kits (Hybrid, IDEX, 4.1) keep older machines current.
Недостатки
  • Sold as kits: you assemble, wire and tune the printer yourself.
  • Design files are licensed for non-commercial use only (CC BY-NC-SA), unlike GPL projects.
  • Documentation is split between the Rat Rig wiki and the RatOS site.
Проверенность
  • 2026: Rat Rig began selling the V-Core 4.1, a revised kit with a steel X gantry and newly written build documentation, together with a 4.1 upgrade kit for V-Core 4 owners. [2][3]
  • ноябрь 2024: 3D Printing Industry shortlisted the V-Core 4 (IDEX and Hybrid), released earlier in 2024, for Desktop FFF 3D Printer of the Year. [14][15]
  • сентябрь 2024: Dinheiro Vivo reported that Rat Rig had received about 200,000 euros of regional development aid for its first expansion and had been granted about 100,000 euros more from the Algarve 2030 programme for trade fairs and equipment. [12]
  • 30 августа 2024 г.: Rat Rig released the IDEX upgrade that adds a second toolhead to the V-Core 4; it told Dinheiro Vivo it sold hundreds in the first 24 hours. [12]
  • декабрь 2022: Rat Rig won the 3D Printing Industry Award for Company of the Year (Personal). [13]
  • 2021: Rat Rig released the V-Core 3, a high-speed CoreXY kit in 200 to 500 mm sizes, with its design files on GitHub. [11][15]
Исследовано на основе 17 источников, последняя проверка: 18 октября 2026 г.. Показать источники
  1. About Us - Rat Rig ratrig.com
  2. Rat Rig V-Core 4.1 ratrig.com
  3. Rat Rig V-Core 4.1 Upgrade Kit ratrig.com
  4. All products - Rat Rig ratrig.com
  5. Privacy policy - Rat Rig ratrig.com
  6. Rat Rig Wiki wiki.ratrig.com
  7. What is RatOS? - RatOS os.ratrig.com
  8. Rat-OS/RatOS - GitHub github.com
  9. RatOS configurator setup script - GitHub github.com
  10. Rat-Rig/RatRig-PrintedParts - GitHub github.com
  11. Rat-Rig/V-core-3 - GitHub github.com
  12. Rat Rig: de fornecedores de "calhas" a lideres em impressoras 3D - Dinheiro Vivo dinheirovivo.dn.pt
  13. 3D Printing Industry Awards 2022: Who won? - 3D Printing Industry 3dprintingindustry.com
  14. 3D Printing Industry Awards 2024 - Vote Now - 3D Printing Industry 3dprintingindustry.com
  15. Rat Rig - Wikipedia en.wikipedia.org
  16. OrcaSlicer Rat Rig printer profiles - GitHub github.com
  17. moonraker.readthedocs.io