Open-Source CoreXY 3D Printer

MY-CoreXY 3D Printer

The MY-CoreXY-3D-Printer is an open-source CoreXY 3D printer, designed for high-speed and high-precision printing. Inspired by the Voron series, this project is ideal for makers, engineers, and DIY enthusiasts looking for a reliable and customizable 3D printer.

Key Features

Provide a general summary of the services you provide, highlighting key features and benefits for potential clients.

• CoreXY Motion System – Efficient and precise movements for high-quality prints.

• EVA Extruder Support – Modular extruder system for easy upgrades and customization.

• Rigid Aluminum Frame – Built with 30x30 mm aluminum extrusions for enhanced stability.

• Adjustable Print Size – Available in 400x400x400 mm, with 300x300x300 mm and 250x250x250 mm options.

• Advanced Firmware Support – Optimized for Klipper with a Raspberry Pi.

• Future Multi-Color Support – Planned Turtle Box system for multi-color printing.

Check out the EVA extruder project and show your support:
EVA-3D Official Page

Technical Specifications

You didn’t come this far to stop

Frame & Structure

• Print Volume: 400x400x400 mm (Optional: 300x300x300 mm, 250x250x250 mm).

• Frame Material: 30x30 mm aluminum extrusions.

• Print Bed: Fixed bed with gantry leveling and mechanical bed leveling.

• CoreXY Drive System: Efficient belt-driven system with motors mounted on the upper frame.

• Linear Guides: MGN12 linear rails on all axes for smooth and accurate movement.

• Belt System: Robust tension-adjustable belts for perfect alignment.

• Extruder Type: Direct Drive EVA extruder.

• Hotend Compatibility: Supports multiple hotend configurations.

• Future Upgrade: Planned Turtle Box system for multi-color printing.

Motion System

Extruder & Hotend

Electronics & Control

• Mainboard: Makerbase MKS Monster 8.

• Firmware: Optimized for Klipper, also compatible with Marlin.

• Connectivity: USB, SD Card, and Wi-Fi (via Raspberry Pi).

Power & Heating

Speed & Precision

• Power Supply: 24V system, with a 240V heated bed.

• Input Shaping Sensor: Implemented for resonance compensation.

• Acceleration (XY): 2500 mm/s²

• Max Print Speed: Up to 350 mm/s

• Jerk (Corner Speed): 5 mm/s

Controller Board

The Makerbase MKS Monster 8 is a powerful 32-bit mainboard designed for high-speed 3D printing. With support for Klipper and Marlin firmware, it delivers advanced performance, smoother motion, and precise control. This board is ideal for CoreXY setups, making it a perfect match for the MY-CoreXY-3D-Printer.

Key Features of the MKS DLC32:

• 32-bit High-Speed Processing – Ensures smoother motion and faster command execution.

• Supports Klipper & Marlin – Optimized for Klipper firmware, also compatible with Marlin 2.0

• 8 Stepper Driver Slots – Allows independent motor control for multi-axis configurations.

• TMC Driver Support – Compatible with TMC2209, TMC5160, and other UART/SPI drivers.

• Integrated Wi-Fi & USB Support – Remote monitoring and easy file transfer.

• Expandable Ports – Multiple PWM fans, temperature sensors, and endstop connections.

More information: Makerbase Official Page
Affiliate Link: Buy MKS Monster 8 on AliExpress

How to Build Your Own MY-Core XY

If you want to build your own laser cutter, you’ll find everything you need right here!

• Step 1: Download the 3D Models & Documentatio

  GitHub Repository

• Step 2: Gather the Necessary Parts.

  Use the BOM above to order all required components.

• Step 3: Print the 3D Parts

  If you don’t own a 3D printer, consider using an online printing service.

• Step 4: Assemble the Frame & Motion System

  Follow the provided assembly guide to build the mechanical structure.

• Step 5: Install Electronics & Firmware

  Set up the MKS Monster 8, wire all motors, sensors, and configure Klipper.

• Step 6: Test & Calibrate

  Tune belt tension, extruder settings, and Input Shaping for optimal results.

Development Roadmap

Ongoing improvements to MY-CoreXY 3D Printer:

• Improve 3D drawing STEP files

• Change z axis pulley assembly

• Adjust board location for better access to power supply plug

• Adjust X-Axis height to engrave thicker materials

• Add emergency stop button

Legal Notice & License

This project is licensed under Creative Commons - Attribution - NonCommercial - ShareAlike (CC BY-NC-SA).
Project: MY-CoreXY 3D Printer | Author: Edgar Mata