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Robot arms

Robot arms, from desk arms for learning to arms for robot learning and research. 52 robots on Robotheca, each with its licenses and its source on GitHub.

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Ready to build: a score of 80 or more, a license and a finished design.

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Where the project was published, known for 29 of 270 robots. Never guessed.

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Guides machine-translated into English by Robotheca, with a link to the original on each robot page.

37 of 270 robots state a cost. Costs in other currencies are compared using the ECB reference rate of 14 Oct 2026. Robots without a known cost are hidden unless you include them.

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52 robots of 270

Page 2 of 3 · Ready to build first, then by buildability

  • Desktop Robot Arm

    A compact 3D-printed desktop robot arm with a rotating base and gripper, controlled through a browser joystick over its own Wi-Fi access point.

    Robot armIntermediateBuildability 50/100 · Buildable with some effort
    Cost not stated

  • Poppy Ergo Jr

    A small, low-cost 6-degree-of-freedom 3D-printed robot arm driven by Dynamixel XL-320 motors and controlled from a Raspberry Pi.

    Robot armBeginnerBuildability 50/100 · Buildable with some effort
    Cost not stated

  • 4DOF Robot Arm

    A small 4-degree-of-freedom robot arm with 3D printed parts, driven by four SG90 servos and an Arduino Nano.

    Robot armBeginnerBuildability 45/100 · Incomplete documentation
    Cost not stated

  • DIY Delta robot

    A DIY delta-type parallel robot controlled from a Python application with live kinematics visualization and Bluetooth connection.

    Robot armAdvancedBuildability 45/100 · Incomplete documentation
    Cost not stated

  • Dolphin Robot Arm

    A 3-degree-of-freedom desktop dolphin robot arm controlled via an STM32 microcontroller and a PS2 gamepad.

    Robot armIntermediateBuildability 45/100 · Incomplete documentation
    Cost not stated

  • H1 6-Axis 3D-Printed Manipulator

    A 6-axis 3D-printed robotic arm capable of understanding human commands and performing tasks.

    Robot armIntermediateBuildability 45/100 · Incomplete documentation
    Cost not stated

  • Sixi 2 Robot Arm

    An open source six degree of freedom industrial robot arm that can hold 2kg at 80cm.

    Robot armAdvancedBuildability 45/100 · Incomplete documentation
    Cost not stated

  • VEILINK Arm

    A 6-DOF robotic arm built with 3D-printed parts and Feetech STS3215 bus servos, controlled via LeRobot.

    Robot armIntermediateBuildability 45/100 · Incomplete documentation
    • Work in progress
    • Works with AI
    • No license
    Cost not stated

  • 6-DOF Articulated Robot Arm V1

    A low-cost, six-degree-of-freedom articulated robotic arm designed for education, research, and small-scale automation tasks.

    Robot armIntermediateBuildability 40/100 · Incomplete documentation
    Cost not stated

  • ALTO 3D Printed 6 Axis Robotic Arm

    A 3D printed desktop high precision 6 axis robotic arm controlled over USB with a Python API.

    Robot armAdvancedBuildability 40/100 · Incomplete documentation
    $400≈ €357 (ECB rate, 14 Oct 2026)

  • EEZYbotARM

    A four-axis, 3D-printable hobby robot arm controlled from Python and Arduino, with 3-D forward and inverse kinematics.

    Robot armIntermediateBuildability 40/100 · Incomplete documentation
    Cost not stated

  • Jyker Arm

    An open-source 3D-printed robotic arm with 5 degrees of freedom and a gripper.

    Robot armIntermediateBuildability 40/100 · Incomplete documentation
    • Works with AI
    • No license
    Cost not stated

  • Linco Robot Arm

    A desktop robotic arm designed for easy 3D printing with minimal parts, featuring a 3D-printed structure and basic electronic components.

    Robot armIntermediateBuildability 40/100 · Incomplete documentation
    • No license
    Cost not stated

  • Pedro

    Pedro is an open-source STEM robot whose 3D-printable parts (arm, gear, servo holder and base) are provided as STL files.

    Robot armBeginnerBuildability 40/100 · Incomplete documentation
    Cost not stated

  • SCARA Parallel

    A parallel SCARA robotic arm designed for graduation project, featuring closed-loop stepper motors, harmonic reducers, carbon fiber rods, 3D-printed joints, and motion control with linear interpolatio

    Robot armAdvancedBuildability 40/100 · Incomplete documentation
    Cost not stated

  • X-Bot

    A tiny open-source writing robot arm designed for AI drawing applications.

    Robot armIntermediateBuildability 40/100 · Incomplete documentation
    • No license
    Cost not stated

  • BetaBots Robot Arm

    A 3D-printable robot arm, current version V4 (Green), designed for printing and assembly by hobbyists.

    Robot armIntermediateBuildability 35/100 · Incomplete documentation
    Cost not stated

  • Dummy Robotic Arm

    A compact smart robotic arm with 6 degrees of freedom, designed for educational and hobbyist use.

    Robot armIntermediateBuildability 35/100 · Incomplete documentation
    • No license
    ¥2,000≈ €267 (ECB rate, 14 Oct 2026)

  • Forge 1

    An open-source 6-DOF desktop robotic arm powered by NEMA 17 stepper motors.

    Robot armIntermediateBuildability 35/100 · Incomplete documentation
    • Work in progress
    Cost not stated

  • MickRobot

    An open-source single-arm mobile robot that adds a 7-degree-of-freedom arm to a mobile chassis for grasping and carrying tasks in complex environments.

    Robot armAdvancedBuildability 35/100 · Incomplete documentation
    • No license
    Cost not stated

  • RR1: Real Robot One

    A DIY 3D-printable 6-axis desktop robotic arm with closed-loop encoders on each joint, driven by Nema 23 and Nema 17 stepper motors and custom planetary gearboxes.

    Robot armAdvancedBuildability 35/100 · Incomplete documentation
    Cost not stated

  • DoubiBot

    A writing robot based on ESP8266 that can perform manual timekeeping, weather forecasting, and function as a general-purpose robotic arm.

    Robot armIntermediateBuildability 30/100 · Incomplete documentation
    • No license
    Cost not stated

  • Ruishi modular exoskeleton

    The Ruishi modular exoskeleton: joint and slip-ring modules, the hardware and joint-motor lists, and installation examples.

    Robot armAdvancedBuildability 30/100 · Incomplete documentation
    Cost not stated

Robots 25–48 of 52

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