I need a clean, moderately detailed 3-dimensional rendering of my invention to accompany a provisional patent application. The goal is to transform my existing rough sketches and dimensions into a professional illustration that clearly communicates form and function to the USPTO examiner. Key points • Rendering type: 3D (no flat technical drawing or conceptual sketch—please model the object). • Detail level: moderate; enough to show all moving parts, main surfaces, and assembly relationships without unnecessary photorealism. • Final delivery: a high-resolution PDF suitable for direct insertion into the patent filing. If you can also export STL, OBJ, or STEP files that would be a welcome bonus, but the PDF is mandatory. I can send hand sketches, measurements, and notes on critical tolerances as soon as we start. The illustration must be clear, use simple line shading or grayscale, and avoid color so it reproduces well in black-and-white patent documents. Let me know which CAD or rendering software you prefer, your turnaround time, and any questions about dimensional data. I’m ready to get started right away and will provide quick feedback to keep revisions minimal.