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3D-printable robots

Robots whose build needs a 3D printer for their parts. 233 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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233 robots of 270

Page 1 of 10 · Ready to build first, then by buildability

  • Robot arm

    SO-101

    A low-cost 3D-printed robot arm built as a leader and follower pair, for teleoperation and for teaching tasks by demonstration with LeRobot.

    • Works with AI
    Level
    Beginner
    Buildability
    98/100
    Ready to build
    Cost
    €226.30
  • Wheeled

    LeKiwi

    A low-cost mobile manipulator, a 3D-printed omnidirectional base carrying an SO-101 arm, a Raspberry Pi 5 and cameras, for LeRobot teleoperation.

    • Works with AI
    Level
    Intermediate
    Buildability
    90/100
    Ready to build
    Cost
    €537.65
  • Home

    AlohaMini2

    AlohaMini2 is an open-source dual-arm mobile robot with a motorized vertical lift, built for embodied AI research and real-world manipulation.

    • Works with AI
    Level
    Advanced
    Buildability
    85/100
    Ready to build
    Cost
    $1,000≈ €893 (ECB rate, 14 Oct 2026)
  • No photo yet
    Other

    Open Duck Mini v2

    A 3D-printed bipedal robot about 42 cm tall, inspired by Disney's BDX droids, that walks with reinforcement-learning policies trained in MuJoCo.

    • Works with AI
    Level
    Intermediate
    Buildability
    85/100
    Ready to build
    Cost
    Not stated
  • Robot arm

    PingTi Arm

    A low-cost, human-arm-scale open-source robotic arm compatible with Lerobot, based on the SO-100 arm, with a 600mm span and up to 500g payload.

    • Works with AI
    Level
    Intermediate
    Buildability
    85/100
    Ready to build
    Cost
    €218.28
  • Robot arm

    Giraffe

    A cost-effective, ROS2-compatible 5-DoF robotic manipulator with a leader-follower teleoperation setup, designed to lower the barrier to entry for Embodied AI.

    Level
    Intermediate
    Buildability
    80/100
    Ready to build
    Cost
    Not stated
  • Robot arm

    SO-ARM 102

    An open-source leader and follower robot arm kit with 5 degrees of freedom plus a gripper, for teleoperation and imitation learning.

    • Works with AI
    Level
    Intermediate
    Buildability
    80/100
    Ready to build
    Cost
    $414.21≈ €370 (ECB rate, 14 Oct 2026)
  • Photo on GitHub
    Robot arm

    HumbleArm

    A low-cost desktop 6-DOF robotic arm controlled via ROS, using Arduino UNO, an I2C servo driver, and six servos.

    • No license
    Level
    Intermediate
    Buildability
    83/100
    Well documented, no license
    Cost
    ¥200≈ €27 (ECB rate, 14 Oct 2026)
  • Humanoid

    Roboto Origin

    A fully open-source DIY humanoid robot designed for walking, running, and customizable motion control.

    • Work in progress
    • Works with AI
    Level
    Advanced
    Buildability
    81/100
    Well documented, not finished yet
    Cost
    Not stated
  • Other

    Koriobots

    A toolkit for cable-driven robots that move objects through the air, built from 3D-printed cable drums on industrial servo motors, made for art installations.

    Level
    Intermediate
    Buildability
    78/100
    Buildable with some effort
    Cost
    $972.06≈ €868 (ECB rate, 14 Oct 2026)
  • Robot arm

    PAR6 Collaborative Robot Arm

    A 3D-printed collaborative robot arm for research, education and rapid prototyping in physical AI.

    • Works with AI
    Level
    Advanced
    Buildability
    78/100
    Buildable with some effort
    Cost
    Not stated
  • Robot arm

    EL-A3

    A 7-DOF desktop robotic arm with a Python SDK and ROS2 control system for research and education.

    Level
    Advanced
    Buildability
    75/100
    Buildable with some effort
    Cost
    Not stated
  • Quadruped

    Hexapod-ROS

    An open-source hexapod robot platform based on ROS2, featuring real-time gait control and laser navigation.

    • Work in progress
    Level
    Advanced
    Buildability
    75/100
    Buildable with some effort
    Cost
    Not stated
  • Wheeled

    JPL Open Source Rover

    A build-it-yourself, six-wheeled rover scaled down from the JPL Mars rover design, made from consumer off-the-shelf parts.

    Level
    Intermediate
    Buildability
    75/100
    Buildable with some effort
    Cost
    $90.80≈ €81 (ECB rate, 14 Oct 2026)
  • Robot arm

    Robotic Arm

    An open-source robotic arm controlled by an ESP32-C3 via a PCA9685 servo driver and an Xbox-compatible gamepad.

    Level
    Intermediate
    Buildability
    75/100
    Buildable with some effort
    Cost
    ¥481≈ €64 (ECB rate, 14 Oct 2026)
  • Robot arm

    U-Arm

    A low-cost, universal leader-follower teleoperation system for commercial robot arms with plug-and-play hardware configurations.

    • Works with AI
    Level
    Intermediate
    Buildability
    75/100
    Buildable with some effort
    Cost
    $60≈ €54 (ECB rate, 14 Oct 2026)
  • Robot arm

    Koch v1.1

    An improved version of Alexander Koch's low-cost robot arm, a leader and follower pair with Dynamixel servos for LeRobot. The price includes both arms.

    • Works with AI
    Level
    Beginner
    Buildability
    73/100
    Buildable with some effort
    Cost
    €673
  • Other

    Hexapod

    A six-legged hexapod robot built from 3D-printed parts, driven by 18 MG996 servos and controlled by a Raspberry Pi 5 with a Servo2040 board.

    Level
    Advanced
    Buildability
    71/100
    Buildable with some effort
    Cost
    €280
  • Home

    HomeBot

    A lightweight home robot with modular architecture, supporting remote control, voice interaction, and human following.

    • Work in progress
    • Works with AI
    Level
    Intermediate
    Buildability
    70/100
    Buildable with some effort
    Cost
    Not stated
  • Humanoid

    MiniLoong

    A small 22-degree-of-freedom humanoid robot designed for reinforcement learning and imitation learning, featuring a rotatable waist, head, and upper limbs.

    • Work in progress
    • Works with AI
    Level
    Advanced
    Buildability
    70/100
    Buildable with some effort
    Cost
    Not stated
  • Humanoid

    NanoLoong Bipedal

    A 60 cm tall bipedal robot combining Pixar-style and Disney BDX designs, using brushless motors and reinforcement learning.

    • Works with AI
    Level
    Advanced
    Buildability
    70/100
    Buildable with some effort
    Cost
    ¥15,000≈ €2,002 (ECB rate, 14 Oct 2026)
  • Quadruped

    Open Quadruped

    An open-source 3D-printed quadrupedal robot that performs gait generation with Bezier curves and full 6-axis body pose control.

    Level
    Advanced
    Buildability
    70/100
    Buildable with some effort
    Cost
    Not stated
  • Quadruped

    Spot Micro - Leika

    An open-source ESP32-based quadruped robot with a web-based controller and a MuJoCo simulator.

    Level
    Advanced
    Buildability
    70/100
    Buildable with some effort
    Cost
    Not stated
  • Robot arm

    PAROL6

    A 6-axis 3D-printed desktop robot arm with stepper motors, gearboxes and belts, modelled on industrial arms, with its own control firmware.

    Level
    Advanced
    Buildability
    69/100
    Buildable with some effort
    Cost
    Not stated

Robots 1–24 of 233

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