Sixi Robot Arm
A six-degree-of-freedom industrial robot arm with 3D-printed parts and a stated 2 kg capacity at 50 cm.
Project documentation
Before you build
Five answers, each linked to its source
What does it cost?
Not documented
No cost in the reviewed sources.
Can I sell what I build?
Yes, with creditCommercial use OK, with credit
Hardware GPL-2.0 · Software GPL-2.0. Licensing source
What’s open?
2 of 6CAD: AvailableBOM: AvailablePCB: PartialCode: Not documentedSim: Not documentedGuide: Partial
PCB, guide partial · code, sim not documented. All six files
Is it maintained?
Dormant
Latest activity Apr 20, 2019 · main repo last commit Apr 20, 2019 · 0 commits in the last 52 weeks · 2 contributors Activity
01 / Under the shell
The specifications.
Hardware, build and software on one sheet. Every fact links to where we found it.
Sixi is an industrial robot arm designed with six degrees of freedom and a stated capacity of 2 kg at 50 cm. Its printable parts were produced on a Prusa MK2s at default settings. The repository contains STL files from the stable version, a bill of materials, and descriptions of milled aluminum parts.
Hardware
- Actuators
- Not documented Documentation
- Build
- 3D-printed · Prusa MK2s · default settings Documentation
- Capacity
- 2 kg at 50 cm README
Building it
02 / The files behind the robot
What’s open.
Six parts of the build, each checked separately. Gaps stay visible.
| Part | Status | What’s there | License | Source |
|---|---|---|---|---|
| CAD | Available | Publicly shared Fusion 360 design, with stable and development versions. | Not documented | a360.co |
| Bill of materials | Available | Bill of materials. | Not documented | Bill Of Materials.ods |
| Electronics | Partial | Wiring schematic is in progress. | Not documented | sixi schematic/ |
| Code | Not documented | Not documented | Not documented | No source found |
| Simulation model | Not documented | Not documented | Not documented | No source found |
| Assembly guide | Partial | Assembly instructions and animations are in progress. | Not documented | README |
03 / Know before you build
Can you sell it?
Yes, with creditCommercial use OK, with credit
The whole repository, design files included, is GPL-2.0. Commercial use is allowed if you keep the maker’s copyright and license notices. Changes you distribute must be shared under the same license.
- Hardware
- GPL-2.0
- Software
- GPL-2.0
04 / The upstream project
Is it maintained?
DormantLatest activity Apr 20, 2019, 2750 days before the snapshot
The main repository’s last commit was Apr 20, 2019.
- Stars
- 24
- Forks
- 5
- Contributors
- 2
- Latest release
- None recorded
Snapshot captured Oct 30, 2026. Recorded figures, not live metrics. Active: activity within 90 days of the snapshot. Quiet: within a year. Dormant: longer.
05 / Parts & kits
A head start.
Maker-listed sellers only. No affiliate links or paid placement.
MAKER’S COST
Not documented
No cost in the reviewed sources.
Kit availability is not documented in our reviewed sources.
06 / Side by side
Compare with other arms.
Other arms in the directory, most recently active first. Same sources, same rules.
| Robot | Cost | Open files | Can I sell it? | Runs on | Maintained | Stars |
|---|---|---|---|---|---|---|
| Sixi Robot ArmThis robotMarginally Clever Robots, Ltd. | Not documented | 2 of 6 | Yes, with creditHW GPL-2.0 · SW GPL-2.0 | Arduino | DormantApr 20, 2019 | 24 |
| Star Arm 102Fashion Star | Not documented | 5 of 6 | Check firstHW not documented · SW not documented | LeRobotROS 2Python | ActiveOct 30, 2026 | 60 |
| reBot Arm Base SeriesSeeed-Projects | Not documented | 4 of 6 | Yes, with creditHW CERN-OHL-W-2.0 · SW Apache-2.0 | ROS 1ROS 2LeRobot | ActiveOct 30, 2026 | 4,628 |
| SO-ARM 102Robonine | Not documented | 4 of 6 | YesHW CERN-OHL-P-2.0 · SW Apache-2.0 | LeRobot | ActiveOct 29, 2026 | 175 |
| This robotSixi Robot Arm | Star Arm 102 | reBot Arm Base Series |
|---|---|---|
| Cost | ||
| Not documented | Not documented | Not documented |
| Can I sell it? | ||
| Yes, with credit | Check first | Yes, with credit |
| Open files | ||
| 2 of 6 | 5 of 6 | 4 of 6 |
| Runs on | ||
| Arduino | LeRobot, ROS 2, Python | ROS 1, ROS 2, LeRobot, Isaac, Python |
| Maintained | ||
| DormantApr 20, 2019 | ActiveOct 30, 2026 | ActiveOct 30, 2026 |
Upkeep is measured against each robot’s own snapshot. Costs keep the maker’s scope, so check what each figure covers.
See them in the table07 / Follow the evidence
Open books.
Repository files are pinned to commit 530290f. Websites and papers are listed with their review dates.
- 01README.md at 530290fReviewed Oct 30, 2026
- 02LICENSE at 530290fReviewed Oct 30, 2026