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Build your own robotic arm at home.

Q: What's included in the kit?

The Arctos robot is available in various formats: Hardware Kit contains all non-3D printed components including motors, bearings, belts, fasteners, wiring, electronic components, and power supply. 3D Printed Kit includes all required 3D-printed plastic parts pre-manufactured for immediate assembly. CAD Files provides design files for self-printing including Fusion 360 assembly file, STL files, 3MF pre-oriented files, and STEP assembly file.

Q: Should I choose open-loop or closed-loop control?

Open-loop control is less expensive, easier to control, and more robust, but requires more wiring. Closed-loop control eliminates skipped steps, offers a cleaner build with no visible external wiring, but is more expensive and more complex to troubleshoot. Note that the primary constraints on precision of a 3D-printed robotic arm are structural rigidity, materials, payload, and speed — not the stepper motors themselves.

Q: When will I receive my Arctos robot?

Delivery times vary by location: United States via Amazon approximately 7 days. Worldwide via AliExpress approximately 15 days.

Q: What can I learn by building the Arctos robot?

Building the Arctos robot teaches mechanical systems including gearboxes and drive trains, mechatronics and electronics integration, and advanced robotics topics including kinematics, LLM Control, Computer Vision, PLC Programming, and Reinforcement Learning. It is an affordable functional model of an industrial arm.

Explore the complete set of components and parts to build your own DIY 3D printed robotic arm. This all-in-one kit is designed for enthusiasts looking to create an open source Arduino robot arm with 6 axis movement, perfect for learning AI robotics, automation, and robotic printing.

CAD files

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ASSEMBLY MANUAL

Full step-by-step guide.

Build a DIY 3D printed robotic arm using open source Arduino components. This project is perfect for enthusiasts interested in robotic printing, 6 axis 3D printer projects, desktop robot arms, and advanced DIY robot kits. Learn how to create your own desktop robotic arm and take your DIY robot projects to the next level.

V 0.16

V 2.9.7

BILL OF MATERIALS

Source all the parts.

Access a complete bill of materials featuring standardized parts to build your own 3D printed robotic arm. Starting at $231, our kits offer flexible options for DIY robot enthusiasts, from essential components to full packages ideal for Arduino robot arms, 6 axis robotic printing, and desktop robot projects. All kits come with comprehensive support to guide your assembly and help bring your DIY robotic arm to life.

Bill of materials

ARCTOS GRBL FIRMWARE

Open source code.

ROS, ROS2, Grbl, RoboDK, Matlab/Simulink

Github repository

Hardware v2 open loop kit

Hardware v2 closed loop kit

Printed parts v2 kit

version 3.0

Arctos Studio

AI robotics software to simulate and control the Arctos robotic arm. Built for robotics AI and AI automation, it helps bring artificial intelligence into automation and robotics projects. Supports: PLC programming, object recognition, 3D printing, welding, path following, reinforcement learning and much more.

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Arctos DIY robotic arm STL files for 3D printing

3D printed robotic arm gripper attachment

DIY 3D printed robotic arm full assembly

Open source DIY robot arm Arduino project

DIY pick and place robotic arm 3D printed

Robotic arm automating 3D printing process

3D printed robotic arm with AI capabilities

Six axis 3D printed robotic arm movement

Controlling DIY robotic arm from mobile phone

Robotic arm with conveyor belt automation

Arctos robotic arm open loop and closed loop versions

3D printed robotic arm

Specifications

Number of degrees of freedom: 6

Maximum reach: 600 mm

Payload capacity: 2 kg

Weight: 10 kg

Electronics: Arduino/ESP32/CAN bus

Software compatibility: Arctos Studio, ROS/ROS2, RoboDK, Isaac sim, Matlab

Frequently Asked Questions

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What’s included in the kit?

The Arctos robot is available in various formats to suit your assembly preferences:
Hardware Kit: Contains all non-3D printed components, including motors, bearings, belts, fasteners (bolts, nuts), wiring, electronic components, and the necessary power supply.
3D Printed Kit: Includes all required 3D-printed plastic parts, pre-manufactured for immediate assembly.
CAD Files: Provides comprehensive design files for self-printing and customization, including the Fusion 360 assembly file, STL files, 3MF pre-oriented files, and the STEP assembly file.

Should I choose open-loop or closed-loop control?

The choice between open-loop and closed-loop control depends on your budget and desired simplicity versus advanced features.
Open-Loop Control:
Pros: Less expensive, easier to control, and generally more robust.
Cons: Requires more extensive wiring throughout the arm.
Closed-Loop Control:
Pros: Eliminates skipped steps for reliable motion, offers an aesthetically cleaner build with no visible external wiring, and requires less electronics outside of the stepper motor assembly.
Cons: More expensive, more complex to troubleshoot (often requiring disassembly), and has a higher likelihood of failure due to issues like reversed polarity.
Important Consideration: While closed-loop control offers advantages at the motor level, the primary constraints on the precision of a 3D-printed robotic arm are generally not the stepper motors themselves. Precision is more critically impacted by the structural rigidity of the plastic parts, the chosen materials, the payload, the speed of operation, and the overall control system implementation.

When will I receive my Arctos robot?

Delivery times vary based on your location and the selected fulfillment channel:
United States (via Amazon): Approximately 7 days.
Worldwide (via AliExpress): Approximately 15 days.

What print bed size is required for 3D Printing the robot?

To successfully print all components of the Arctos robot, your 3D printer must have a minimum build volume of 200×200 mm.

What Can I Learn by Building the Arctos Robot?

The Arctos robot offers a hands-on learning experience that moves far beyond typical DIY kits. Unlike simple arms or those using pre-built parts, the Arctos is mostly 3D printed, providing direct insight into core engineering disciplines:
Mechanical Systems: By assembling it, you learn exactly how gearboxes and drive trains are designed and function to achieve power and precise motion. You see the mechanics in action, not hidden away in a sealed unit.
Mechatronics and Electronics: The build process teaches you the fundamental skill of integrating electrical wiring and electronics with a rigid mechanical structure.
Advanced Robotics and Control: The Arctos is an ideal platform for learning real-world control algorithms and kinematics (the math of motion). You can then test cutting-edge robotics topics, including LLM Control, Computer Vision, PLC Programming, and Reinforcement Learning.
By constructing the Arctos robot, you are building an affordable, functional model of an industrial arm, making it an excellent platform for learning the realities of industrial robotics on a budget.