a 3D model of a rugged mechanic named Rusty. He wears a weathered leather jacket adorned with racing patches and logos, dark denim jeans with reinforced knee pads, and heavy-duty work boots. His hands show grease and oil stains. Rusty has a scruffy beard and tousled hair peeking from under a mechanic's cap, with goggles resting on his head. Emphasize his practical, tough appearance, showcasing a blend of ruggedness and functionality in his attire.