I need a CAD design for an electric off-road wheelchair. The design should be rugged and adaptable for various terrains like gravel, sand, and rocky paths. Requirements: - Electric wheelchair mechanics - Off-road features: robust tires, durable frame - Terrain adaptability: gravel, sand, rocky paths - CAD proficiency Ideal Skills: - Mechanical engineering - CAD design expertise - Experience with wheelchair design - Knowledge of off-road vehicle dynamics Please include samples of similar work. I will attach an exact copy I want done. Main bits engine and body