
Arm Wrist
The wrist joint connecting the end of the arm to the claw assembly. Allows rotation for precise game piece positioning. Designed to be lightweight while maintaining rigidity under load.
11 open-source CAD files · download, remix, build.
11 parts in catalog

The wrist joint connecting the end of the arm to the claw assembly. Allows rotation for precise game piece positioning. Designed to be lightweight while maintaining rigidity under load.

A structural roller bracket mounted at the rear of the robot to guide balls into the intake. Holds a free-spinning roller shaft in place. Built for rigidity rather than rotation.

A protective enclosure for the robot's main 12V battery. Keeps the battery securely seated during aggressive maneuvers and protects terminals from accidental shorts. Mounts directly to the chassis frame.

A hooked claw profile shaped to catch and pull open field doors. Mounts directly to the arm's wrist joint. Reinforced at the base to resist snapping under load.

A dual-stick claw mechanism using two parallel actuating fingers for a wider grip surface. Useful for grabbing larger or irregularly shaped game pieces. Derived from the standard pincer design with an extended reach.

A rigid mount for the Limelight 2+ vision camera, angled for optimal field-of-view coverage. Keeps the camera fixed relative to the robot's frame to ensure consistent vision tracking. Compatible with standard REV extrusion slots.

A two-finger pincer claw used to grip and secure game pieces. Designed for quick open/close actuation with a single servo. Printed in PETG for durability under repeated cycles.

A lightweight pocketed cover for the drivetrain wheels, reducing weight while maintaining structural integrity. Prevents game pieces from jamming into the wheel assembly. Designed to snap onto the chassis side panels.

The side panel of the robot's main arm assembly, defining its profile and mounting points. Designed to interface with the shoulder joint on one end and the wrist on the other.

A fun variant of the battery enclosure featuring a smiley face cutout on the front panel. Functionally identical to the standard battery case with the same mounting and retention features. A small touch of personality on an otherwise utilitarian part.

A custom spindex wheel assembly used in the robot's drivetrain for omnidirectional movement. Interfaces with the drivetrain motor shaft and provides lateral slip for field-centric driving. Optimized for minimal friction in the drive direction.