SO-101 (SO-ARM101)
The Robot Studio / Hugging Face · France
Low-cost 3D-printable 6-DOF leader/follower arm pair built for Hugging Face's LeRobot framework; successor to the SO-100 with improved wiring and easier assembly.
Contact sheet · credit and license on every frame

Studio render of the published MJCF, the model's zero pose. Geometry only; colours are the model's own materials.Rendered by Hyperspawn from mujoco_menagerie/robotstudio_so101 (Apache-2.0) · Hyperspawn render · source 
Side view of the same MJCF render, the model's zero pose.Rendered by Hyperspawn from mujoco_menagerie/robotstudio_so101 (Apache-2.0) · Hyperspawn render · source 4 s turntable of the MJCF studio render.Rendered by Hyperspawn from mujoco_menagerie/robotstudio_so101 (Apache-2.0) · Hyperspawn render · source 
From the SO-ARM100 repo media folder.The Robot Studio (SO-ARM100) · Apache-2.0 · source
Maintainer
The Robot Studio / Hugging Face
- Org
- /therobotstudio
- Signs to
- L5 Certified. Not signed yet (package is L2).
- Site
- github.com/TheRobotStudio/SO-ARM100
- Package
- v0.1.0 · 21 steps
Find someone who has built this
Verified builders of SO-101 (SO-ARM101)
The first verified builder of SO-101 (SO-ARM101) gets the first profile.
Build it from the v0.1.0 package, file the report with photos and bring-up logs, and this roster starts with you.
Labs and makers working on SO-101 (SO-ARM101)
No labs on record for SO-101 (SO-ARM101).
A lab is listed when a public source ties it to this robot: a paper, a repo, a lab page.
Open bounties on SO-101 (SO-ARM101)
Unfunded until a hyperspawn.org grant attaches. Each one is a gap between this robot and a finished build.
| ID | Type | Bounty | Unlocks |
|---|---|---|---|
| HB-ZE5RO | Sourcing | Find China offers for 2 SO-101 (SO-ARM101) parts | L3 Sourced |
| HB-9SEFJ | Sourcing | Find Europe offers for 2 SO-101 (SO-ARM101) parts | L3 Sourced |
| HB-4C066 | Sourcing | Find India offers for 2 SO-101 (SO-ARM101) parts | L3 Sourced |
| HB-LVIA3 | Pricing | Price 2 SO-101 (SO-ARM101) BOM lines | L3 Sourced |
| HB-7KM3R | Fabrication | Publish print profiles for 17 SO-101 (SO-ARM101) parts | L4 Built |
| HB-1M4OQ | Specs | Fill 8 spec fields for SO-101 (SO-ARM101) | Atlas accuracy |
Need help / hire a team
Ask for crew on SO-101 (SO-ARM101).
Stuck on a step, need parts sourced, or want ten assembled. The request is logged at hyperspawn.io. Matching is done by a person until verified builders exist near you; paid jobs open once SO-101 (SO-ARM101) reaches L5 and a team is certified.