CNC Pen Plotter

2D Drawing and Writing Automation System

CNC Pen Plotter

Project Overview

A DIY pen plotter is an economical and innovative device capable of drawing precise designs, text, and artwork on paper using simple mechanical and electronic components. This project involves building a pen plotter using an Arduino microcontroller, stepper motors, motor drivers, and a few common materials such as wood or 3D-printed parts. The plotter operates on the principle of controlling the motion of the pen in the X and Y axes using stepper motors, while a servo motor manages the up-and-down movement of the pen. The project emphasizes affordability, scalability, and simplicity, making it an ideal entry point for hobbyists and students to learn about CNC (Computer Numerical Control) principles and robotics. With a basic understanding of mechanics, electronics, and programming, users can assemble and customize the plotter for various applications, such as creating artwork, educational tools, or experimental setups. The open-source nature of the project encourages further modifications and improvements to meet individual needs.

Key Features

  • High-Precision 2D Drawing Capabilities
  • Multi-Pen Support System
  • Arduino-Based Control System
  • G-code Interpretation for Vector Graphics
  • Stepper Motor Precision Control

Technical Details

Technologies Used:

Arduino

Control System

GRBL

CNC Software

3D Printed Parts

Custom Components

Project Specifications

  • ✓ Arduino Uno with CNC Shield
  • ✓ GRBL Library
  • ✓ UGS universal G-code Sender
  • ✓ Supported File Formats: SVG, G-code
  • ✓ Compatible Pens: Standard ballpoint, markers, technical pens
  • ✓ Power Supply: 12V DC

Applications

  • ✓ Technical Drawings and Diagrams
  • ✓ Artistic Illustrations
  • ✓ PCB Design Plotting
  • ✓ Custom Greeting Cards
  • ✓ Educational Demonstrations
  • ✓ For Making Blueprints