Begin with a small model built from a few primitives and verify boolean relationships before expanding the geometry. Use analysis and ray-tracing views to inspect intersections and unexpected surfaces. Maintain consistent units and a clear object naming scheme, particularly when models contain many reusable components or are exchanged with other engineering tools.
This is best suited to technical users working with solid geometry analysis. Before committing a larger project, account for these trade-offs: interface and concepts take time to learn; not a lightweight illustration application.