Open engineering references · 01

Manipulators, robot arms & bimanual systems

Compare accessible arm designs, robot-learning interfaces and bimanual research systems without confusing an assembly guide with a production release package.

Read the asset type first

Different files answer different questions; one cannot stand in for another.

01

Geometry

STEP or native CAD for editable geometry; STL for printing; drawings for tolerances and interfaces.

02

Robot description

URDF, MJCF or USD expresses links, joints, limits, meshes and estimated inertial properties for software and simulation.

03

Control & data

Drivers, calibration, teleoperation, dataset formats and policy interfaces connect the mechanism to repeatable experiments.

04

Build evidence

BOM, assembly records, current limits, test fixtures and fault behaviour determine whether a second build can reproduce the first.

Official and first-party project gateways

Every record states what is available—and what it still cannot prove.

Sources checked 4 August 2026. External projects change; confirm version, licence and maintenance status again at the original source before use.

01
The Robot Studio with the open robotics community

The Robot Studio · SO-100 / SO-101

Open original source
Available assets
  • STEP and STL files
  • BOM and assembly guidance
  • Simulation and optional hardware
Licence status

Repository identifies Apache-2.0; verify every linked vendor file and optional asset separately.

Evidence maturity

Reproducible learning-platform reference; not production evidence

Useful for

A practical starting point for low-cost manipulation, teleoperation and data collection.

Applicability boundary

Printed parts, servo variants, power choices and payload changes alter strength, thermal behaviour and calibration. No certification or product warranty is implied.

FUURAA analysis

Strongest when treated as a controlled educational or research baseline: freeze a revision, record the exact BOM and validate limits on the as-built arm.

02
Hugging Face

Hugging Face · LeRobot

Open original source
Available assets
  • Robot interfaces and processors
  • Dataset and policy tooling
  • SO-101 setup and calibration guidance
Licence status

LeRobot code is Apache-2.0; hosted datasets, models and hardware designs can carry different terms.

Evidence maturity

Actively maintained software ecosystem; hardware maturity varies by platform

Useful for

Connect supported hardware to a common data, training and evaluation workflow.

Applicability boundary

Software support does not establish payload, collision safety, reliability or fitness for an application. Check the exact documentation version and platform support table.

FUURAA analysis

Use LeRobot as an experiment interface, then preserve hardware configuration, calibration, dataset provenance and evaluation conditions as separate evidence.

03
ALOHA research project

ALOHA · low-cost bimanual teleoperation

Open original source
Available assets
  • Teleoperation and data-collection software
  • Hardware assembly tutorial links
  • Configuration and camera setup
Licence status

Repository code is MIT; linked hardware, third-party components and later ALOHA variants must be checked separately.

Evidence maturity

Influential research reference with configuration-specific dependencies

Useful for

Study bimanual teleoperation, synchronized sensing and demonstration collection.

Applicability boundary

The public stack documents tested operating-system and ROS configurations; it is not a current universal compatibility or safety guarantee.

FUURAA analysis

Its value is architectural: trace the complete sensor–operator–robot–dataset chain, then revalidate every substituted component and software version.

Before adoption

Move from ‘I found the files’ to ‘I know the next validation step’.

  1. 01

    Confirm editable geometry, dimensions, tolerances and interface drawings—not only printable meshes.

  2. 02

    Record actuator model, voltage, current limits, gear ratio, firmware and calibration for the exact build.

  3. 03

    Measure payload, repeatability, backlash, temperature, stop behaviour and cable life within a bounded task.

  4. 04

    Keep people outside unvalidated motion and pinch zones; use qualified review for human-contact applications.