PLAYGROUND*ROBOTICS
open hardware, catalogued & built

CAD Lab — HopeJr Arm

the full assembly, part by part — click any component for its datasheet, price, and purchase link

Dummy-RobotAhaRobot (Astra)Delta X 1SO-101OpenArm 2.0GELLO (Lite6 leader)ORCA HandHACKberryuStepper Arm Rev 4HopeJr ArmopenDog V3Dingo Quadruped

The published arm STEP carries module-level solids only (9 nodes) — selection is per module, not per screw.

off-the-shelffabricatedselected
Open in Fusion 360 (STEP) ↓
loading 3D assembly…
Design artifacts
Arm STEP assembly (7.8 MB)HOPEJr repoLeRobot docs