DIY 6 DOF Robot Arm- Open source/Unity/GRBL 6 axis/3D Printed/Cycloid

Published at : 23 Dec 2025

DIY 6 Degrees of freedom robotic arm using 3D Printed Cycloid drives as the main gear reducer. Features control with a gamepad, inverse/forward kinematics and unity 3D controller.

Timestamps:
00:24 - How it works animation (Blender)
03:54 - Fabrication
09:27 - Electronics
10:04 - Firmware
10:21 - Initial Test
11:48 - Game Controller Test
12:18 - Inverse Kinematics
14:10 - IK Testing
15:40 - Bloopers

Project Repo
https://github.com/kpatel122/Cyclo6

DIY Cycloidal Drive
https://youtu.be/z422nZ-wgyI

GRBL 6 Axis
https://github.com/fra589/grbl-Mega-5X

Inverse Kinematics Library
https://github.com/EricVoll/RobotDynamicsLibrary

Credits:
Background Music-
► Music Credit: LAKEY INSPIRED
Track Name: "Feeling Good"
Music By: LAKEY INSPIRED @ / lakeyinspired
Official "LAKEY INSPIRED" YouTube Channel HERE - / @lakeyinspired
License for commercial use: Creative Commons Attribution 3.0 Unported "Share Alike" (CC BY-SA 3.0) License.
Full License HERE - https://creativecommons.org/licenses/...
Music promoted by Chill Out Records - https://goo.gl/fh3rEJ