ArmBy aws-samplesSources reviewed Nov 1, 2026

Greengrass mini-fulfillment center example

A miniature fulfillment-center demo with inventory and sorting arms, a conveyor, and 3D-printed components.

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?

YesCommercial use OK

Hardware Apache-2.0 · Software Apache-2.0. Licensing source

What’s open?

3 of 6CAD: AvailableBOM: AvailablePCB: Not documentedCode: AvailableSim: Not documentedGuide: Partial

Guide partial · PCB, sim not documented. All six files

What does it run on?

Raspberry Pi

Simulation: Not documented. Software

Is it maintained?

Not documented

No activity snapshot yet. Activity

01 / Under the shell

The specifications.

Hardware, build and software on one sheet. Every fact links to where we found it.

This miniature fulfillment-center demonstration coordinates Inventory and Sorting Arms with a conveyor. The repository includes models used to 3D-print components and Greengrass code for the arm and conveyor hosts.

Hardware

Actuators
11 · Dynamixel AX-12A servos; listed for the arms and master. BOM.md
Build
3D-printed · Models for printed components are provided. Documentation

Building it

Printed components
The models are used to 3D-print components of the demo. README

Software & simulation

System
The demo uses Greengrass groups for its hosts. README

02 / The files behind the robot

What’s open.

Six parts of the build, each checked separately. Gaps stay visible.

Availability of build files
PartStatusWhat’s thereLicenseSource
CADAvailableModels used to 3D-print components are provided.Not documentedmodels/
Bill of materialsAvailableBill of materials for construction.Not documentedBOM.md
ElectronicsNot documentedNot documentedNot documentedNo source found
CodeAvailableGreengrass group code and configuration for the arm and master hosts.Not documentedgroups/
Simulation modelNot documentedNot documentedNot documentedNo source found
Assembly guidePartialPhysical construction instructions are listed as TODO.Not documentedCONSTR.md

03 / Know before you build

Can you sell it?

YesCommercial use OK

The whole repository, design files included, is Apache-2.0. You can build, modify and sell robots based on it, as long as you keep the license and copyright notices.

Hardware
Apache-2.0
Software
Apache-2.0
Read the licensing source

04 / The upstream project

Is it maintained?

aws-samples/aws-greengrass-mini-fulfillment

Not documentedRepository activity is not documented

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.

Greengrass mini-fulfillment center example compared with Star Arm 102, reBot Arm Base Series, SO-ARM 102
RobotCostOpen filesCan I sell it?Runs onMaintainedStars
Greengrass mini-fulfillment center exampleThis robotaws-samplesNot documented3 of 6YesHW Apache-2.0 · SW Apache-2.0Raspberry PiNot documented—
Star Arm 102Fashion StarNot documented5 of 6Check firstHW not documented · SW not documentedLeRobotROS 2PythonActiveOct 30, 202660
reBot Arm Base SeriesSeeed-ProjectsNot documented4 of 6Yes, with creditHW CERN-OHL-W-2.0 · SW Apache-2.0ROS 1ROS 2LeRobotActiveOct 30, 20264,628
SO-ARM 102RobonineNot documented4 of 6YesHW CERN-OHL-P-2.0 · SW Apache-2.0LeRobotActiveOct 29, 2026175
Greengrass mini-fulfillment center example compared with Star Arm 102 and reBot Arm Base Series
This robotGreengrass mini-fulfillment center exampleStar Arm 102reBot Arm Base Series
Cost
Not documentedNot documentedNot documented
Can I sell it?
YesCheck firstYes, with credit
Open files
3 of 65 of 64 of 6
Runs on
Raspberry PiLeRobot, ROS 2, PythonROS 1, ROS 2, LeRobot, Isaac, Python
Maintained
Not documentedActiveOct 30, 2026ActiveOct 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 table

07 / Follow the evidence

Open books.

Repository files are pinned to commit f8fb03e. Websites and papers are listed with their review dates.

  1. 01README.md at f8fb03eReviewed Nov 1, 2026
  2. 02LICENSE at f8fb03eReviewed Nov 1, 2026
  3. 03docs/BOM.md at f8fb03eReviewed Nov 1, 2026
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