AR4 6 axis small robot arm
Your Free Design 6-Axis Robot

Annin Robotics AR4
The Robot Anyone Can Build

The AR4 is a low-cost, open-source 6DOF industrial robot that fits right on your desk. Want to build one? You can, whether you machine it from aluminum or 3D print the parts yourself.

Used in high schools, colleges, and small workshops worldwide, the AR4 is perfect for teaching robotics, prototyping, and light automation. Program it with popular tools like Python or ROS, add sensors or grippers, and tailor it to your projects..
Automation for Manufacturers, Makers & Creative Professionals

AR4 in Industry

Deploy the AR4 for light assembly, prototyping, or production tasks. Its Arduino/Python control and Modbus support bridge DIY projects and professional automation.
Hands-On Robotics for All Levels

AR4 in Education

From STEM classrooms to university labs, the AR4 teaches real-world automation with accessible Python programming and 3D-printable customization.

AR4 in the Classroom
Building Future Engineers

Trusted by top universities, technical schools, and aspiring engineers worldwide, the Annin Robotics AR4 brings industrial-grade automation to the classroom and beyond. Compact enough for any desk but built for real-world tasks, the AR4 6DOF robot bridges the gap between theory and practice.

Students are using the AR4 to master robotics fundamentals, prototype automation solutions, and compete in class projects.

Its accessible design (machined or 3D-printed) and industry-standard programming (Python, ROS) prepare learners for careers in mechatronics, manufacturing, and AI.
Learn why educators worldwide are choosing the AR4 robot for teaching robotics and coding.

Affordable Automation for Real-World Applications

The AR4 6-axis robotic arm brings automation to workshops, startups, creative professionals and makers without the cost of traditional automation.
Explore real-world projects from workshops, startups, and makers.
Designed by automation industry veteran, it’s perfect for:
  • Light assembly & CNC machine tending
  • R&D prototyping and product testing
  • Vision-guided tasks (e.g., dish loading, label printing)
  • Custom workflows with G-code and Modbus integration
  • The only limit is your imagination
Why Businesses Choose AR4:
  • Flexibility – Modify code or 3D print custom parts
  • Plug-and-play integration – Works with PLCs, pneumatic grippers, and 7th-axis tracks
  • Used for R&D, packaging, and sample processing
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