STEM Sumo Robot – 3D Printable Arduino Robot

This project is a 3D printable sumo robot chassis designed for students, hobbyists, and STEM robotics competitions.

The robot is optimized for 3D printing and easy assembly, making it perfect for educational robotics projects and Arduino-based robots.

The design includes a front wedge blade to push opponents out of the sumo ring, a compact chassis for electronics, and mounts for standard DC motors and wheels.

This robot is ideal for:

Robotics competitions

STEM education

Arduino learning projects

DIY robotics enthusiasts

Features

Compact mini sumo robot design (200*200 mm)

Front sumo wedge blade

Space for Arduino controller

Battery holder mount

Easy assembly

Optimized for FDM 3D printing

Included Files (STLs)

1. Robot chassis

2. Front wedge blade

3. motor diver holder (l298n)

4. parts holder
5. battery holder 3s
6. arduino holder
7. ultrasonic holder
8. C Flag

Recommended Electronics

Arduino Nano / Uno

DC motors

L298N motor driver

IR sensors

18650 battery pack
ultrasonic sensor (sr-04)

3D Printing Settings (Recommended)

Material: PLA / PETG

Layer height: 0.2 mm

Infill: 20–40%

Supports: Only for blade if needed

License

Personal use only.

Commercial redistribution of the files is not allowed.

Arduino Sumo Robot – 3D Printable STEM Robot Chassis (STL Fi