Sloth
A line-following robot with a 3D-printed chassis and supports, plus firmware for sensor reading and motor control.
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 MIT · Software MIT. Licensing source
What’s open?
4 of 6CAD: AvailableBOM: AvailablePCB: AvailableCode: AvailableSim: Not documentedGuide: Not documented
Sim, guide not documented. All six files
What does it run on?
Not documented
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.
Sloth is a line-following robot with a 3D-printed chassis, motor supports, ball caster holders, spacers and PCB support. Its firmware reads sensors and controls the robot's functions, including motor power and direction.
Hardware
- Actuators
- 2 · 30:1 Micro Metal Gearmotor HP 6V with Extended Motor Shaft README
- Build
- 3D-printed · Printed parts include the chassis and supports. Documentation
Building it
- Printed parts
- The listed parts include a chassis, motor supports, ball caster holders, spacers and PCB support. README
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 | STL files and a Fusion 360 project are available. | Not documented | STL Files/ |
| Bill of materials | Available | Bill of materials lists electronics and mechanical parts. | Not documented | README.md |
| Electronics | Available | The electronics board project is available in Circuit Maker. | Not documented | circuitmaker.com |
| Code | Available | Firmware files are in the Firmware directory. | Not documented | Firmware/ |
| Simulation model | Not documented | Not documented | Not documented | No source found |
| Assembly guide | Not documented | Not documented | Not documented | No source found |
03 / Know before you build
Can you sell it?
YesCommercial use OK
The whole repository, design files included, is MIT. You can build, modify and sell robots based on it, as long as you keep the license and copyright notices.
- Hardware
- MIT
- Software
- MIT
04 / The upstream project
Is it maintained?
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 mobile robots.
Other mobile robots in the directory, most recently active first. Same sources, same rules.
| Robot | Cost | Open files | Can I sell it? | Runs on | Maintained | Stars |
|---|---|---|---|---|---|---|
| SlothThis robotProject Neon - UFABC | Not documented | 4 of 6 | YesHW MIT · SW MIT | Not documented | Not documented | — |
| LeKiwiSIGRobotics-UIUC | $4995V version | 4 of 6 | YesHW Apache-2.0 · SW Apache-2.0 | LeRobotRaspberry Pi | ActiveAug 5, 2026 | 1,497 |
| AlohaMiniLi Yiteng / Wu Zhiyong | About $600total, self-print | 5 of 6 | YesHW Apache-2.0 · SW Apache-2.0 | LeRobotRaspberry Pi | QuietJul 23, 2026 | 8 |
| OpenPodcarOpenPodcar | Not documented | 6 of 6 | Yes, with creditHW GPL-2.0 · SW GPL-2.0 | ROS 1GazeboArduino | DormantMay 9, 2022 | 50 |
| This robotSloth | LeKiwi | AlohaMini |
|---|---|---|
| Cost | ||
| Not documented | $499 | About $600 |
| Can I sell it? | ||
| Yes | Yes | Yes |
| Open files | ||
| 4 of 6 | 4 of 6 | 5 of 6 |
| Runs on | ||
| Not documented | LeRobot, Raspberry Pi | LeRobot, Raspberry Pi |
| Maintained | ||
| Not documented | ActiveAug 5, 2026 | QuietJul 23, 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 b011563. Websites and papers are listed with their review dates.
- 01README.md at b011563Reviewed Nov 1, 2026
- 02LICENSE at b011563Reviewed Nov 1, 2026