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How to build your own CNC machine from scratch
| Date | Stars |
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| 2026-07-24 | 1937 |
| 2026-07-25 | 1937 |
| 2026-07-28 | 1937 |
| 2026-07-30 | 1937 |
| 2026-08-06 | 1937 |
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 This guide goes through all the steps to build your own CNC machine from scratch. It includes a complete bill of materials (BOM), STL/OBJ-files for all the 3d-printed parts and detailed instructions of how everything is assembled. It also includes instructions of how all the necessary open-source softwares are installed. The guide is based on Ivan Miranada's design and is a complement to Ivan's Youtube-videos: 1. Original video: [https://www.youtube.com/watch?v=_atw3e0nIrg](https://www.youtube.com/watch?v=_atw3e0nIrg) 2. Updates with geared stepper motors etc: [https://www.youtube.com/watch?v=qpjf5D3WngY](https://www.youtube.com/watch?v=qpjf5D3WngY) 3. Updating to metal parts: [https://www.youtube.com/watch?v=RDnGvhdGFEY](https://www.youtube.com/watch?v=RDnGvhdGFEY) If you have any questions, feel free to contact me on LinkedIn: [https://www.linkedin.com/in/max-fischer-92997281/](https://www.linkedin.com/in/max-fischer-92997281/) or   --- **Featured on** * Hackernews (#2): [https://news.ycombinator.com/item?id=29096954](https://news.ycombinator.com/item?id=29096954) * Console open-source newsletter: [https://console.substack.com/p/console-83](https://console.substack.com/p/console-83) * Hackaday's blog: [https://hackaday.com/2021/11/05/diy-cnc-uses-lots-of-3d-printed-parts/](https://hackaday.com/2021/11/05/diy-cnc-uses-lots-of-3d-printed-parts/) * Hackaday's podcast (~25:30): [https://open.spotify.com/episode/2YuxrVAgbQvVTjcUljJ3rj?si=lkp1L061R7ix6WkA7s1ieA](https://open.spotify.com/episode/2YuxrVAgbQvVTjcUljJ3rj?si=lkp1L061R7ix6WkA7s1ieA) * Arduino's official blog: [https://blog.arduino.cc/2021/11/03/learn-how-to-build-your-own-massive-3d-printed-cnc-router/](https://blog.arduino.cc/2021/11/03/learn-how-to-build-your-own-massive-3d-printed-cnc-router/) * Weekly robotics newsletter: [https://weeklyrobotics.com/weekly-robotics-168](https://weeklyrobotics.com/weekly-robotics-168) --- # Table of content 1. [License](#license) 2. [Parts (bill of materials)](#parts-bill-of-materials) 3. [Build the CNC machine](#build-the-CNC-machine) 1. [Main frame](#main-frame) 1. [Drill holes in 900 mm profiles](#drill-holes-in-900-mm-profiles) 2. [Rails to 900 mm profiles](#rails-to-900-mm-profiles) 3. [Assemble upper and lower frames](#assemble-upper-and-lower-frames) 4. [Interlock upper and lower frames](#interlock-upper-and-lower-frames) 2. [Y-axis](#y-axis) 1. [Side plates to upper frame](#side-plates-to-upper-frame) 2. [Y-axis motors, idlers and pulleys to side plates](#y-axis-motors-idlers-and-pulleys-to-side-plates) 3. [Y-axis belt tensioners and end-stop mounts](#y-axis-belt-tensioners-and-end-stop-mounts) 4. [Y-axis HTD5M belts](#y-axis-htd5m-belts) 3. [X-axis and Z-axis](#x-axis-and-z-axis) 1. [Rails to bridge beams](#rails-to-bridge-beams) 2. [X-axis tensioner and end-stop mount to lower bridge beam](#x-axis-tensioner-and-end-stop-mount-to-lower-bridge-beam) 3. [Bridge beams to side plates](#bridge-beams-to-side-plates) 4. [Rod bearings to carriage](#rod-bearings-to-carriage) 5. [Carriage to bridge beams](#carriage-to-bridge-beams) 6. [X-axis motor, idlers and pulley to carriage](#x-axis-motor-idlers-and-pulley-to-carriage) 7. [X-axis HTD5M belt](#x-axis-htd5m-belt) 8. [Acme nut and rails to carriage slider](#acme-nut-and-rails-to-carriage-slider) 9. [Acme rod and vertical slider to carriage](#acme-rod-and-vertical-slider-to-carriage) 10. [Z motor mount and X-axis cable chain](#z-motor-mount-and-X-axis-cable-chain) 11. [Y-axis cable chain](#y-axis-cable-chain) 12. [Z stepper motor, pulleys and belt](#z-stepper-motor-pulleys-and-belt) 4. [Stepper motors and end-stops](#stepper-motors-and-end-stops) 1. [Extend stepper motor wires](#extend-stepper-motor-wires) 1. [Y-axis 1](#y-axis-1) 2. [Y-axis 2](#y-axis-2) 3. [X-axis](#x-axis) 4. [Z-axis](#z-axis) 2. [End-stops and
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