WARNING: NOT FOR BEGINNERS! If you are a beginner, lack basic technical logic, or don't know how to handle simple electronics – DO NOT BUY THIS MODEL. This project requires patience, precise printer calibration, and clear logical thinking. As you can see in the video and photos, this model is fully tested, functional, and working. If you want to test your engineering skills – go ahead. Full assembly video and printing instructions are included.REQUIRED NON-3D PRINTED HARDWARE:

1. Motor:• 1x N50 Worm Gear Dual-Shaft DC Motor (Do NOT use N20 – it lacks the required torque!)
2. Slip Ring:• 1x 22mm Outer Diameter, 2-Channel Capsule Slip Ring
3. Power Jack:• 1x DC-022B Female Power Socket (5.5mm x 2.1mm) panel mount.
4. Power Supply:• 12V DC Adapter (at least 2A) with a standard 5.5mm x 2.1mm plug.PRINT SETTINGS:• Material: PLA (PETG also works fine)• Layer Height: 0.2mm• Infill: 15–20% for all parts (PLA)• Supports: Yes (Auto / Tree supports recommended)• Watch full assembly video: https://youtu.be/6kLUxttqe5E