padlock 3d model

Create a precision 3D-printable hinge arm with one male end and one female fork end. This is a functional mechanical component, not decorative or organic. Keep all faces flat, clean, and CAD-like. Overall shape: – Total length about 120 mm – Main body is a rectangular beam: 20 mm wide, 10 mm thick Female fork end: – Fork extends 20 mm from the main body – Fork has two parallel arms – Each arm thickness: 3 mm – Inside gap between arms: 14.2 mm (to accept the male barrel) – Fork top is a rounded arch (semi-circular) – A single clean bolt hole passes through both fork arms – Bolt hole diameter: 4.2 mm (for an M4 bolt) – Hole is perfectly centered horizontally and vertically Male end (hinge barrel end): – A single rectangular tab extends from the opposite end – Tab fits between the fork arms – Tab thickness: 14 mm – Tab height: 10 mm – Tab carries a cylindrical hinge barrel – Barrel diameter: 14 mm – Barrel length: 14 mm – Barrel has a centered 4.2 mm bolt hole – Barrel aligns perfectly with the fork holes so