adjustable desk hook 3d model

Create a functional, 3D-printable adjustable desk hook with a clamp mechanism. The design should have a strong hook that hangs over the edge of a desk for holding headphones, backpacks, cables, or other lightweight items. Use one large threaded screw with a hand-turn knob to tighten and loosen the clamp against the underside of the desk. The model should include a sturdy main body, one adjustable screw, and a smooth curved hook. Make the design simple, strong, compact, and easy to 3D print with minimal supports. Include proper spacing and tolerances for moving parts and the screw. The desk clamp should fit desk thicknesses from approximately 0.5 to 2 inches. Clean modern product design suitable for selling as a functional desk accessory.