I'm seeking an expert to design a robust off-road racing chassis. The chassis will be constructed primarily from steel and must be able to withstand the rigors of rocky and muddy terrains. Key Requirements: - Primary use: Off-road racing - Terrain: Rocky and muddy environments - Material: Steel Ideal Skills and Experience: - Proven experience in designing off-road racing chassis - Strong knowledge of steel construction and its performance in extreme conditions - Familiarity with rocky and muddy terrains - CAD proficiency for detailed design Please include relevant work samples and a brief outline of your approach.