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I will create patent drawings, utility patent illustrations and technical cad figures
Stephan Grunwal
About this gig
Your invention deserves patent figures that communicate the design clearlynot rough sketches that leave important details open to interpretation.
I create professional USPTO patent drawings, utility patent illustrations, mechanical patent figures and technical CAD illustrations for inventors, startups, engineers and patent professionals. Whether you have a SolidWorks model, 3D CAD file, sketch, prototype photos or an existing drawing, I can transform your technical information into clear, consistent patent figures prepared for your attorney.
WHAT I OFFER
- Clear patent figures that communicate your invention accurately
- Technical views, details and sectional representations
- CAD based patent illustrations from existing 3D models
- Professional linework and consistent figure presentation
- Mechanical invention drawings based on sketches
WHY CHOOSE ME
- Engineering focused understanding of product geometry
- Careful attention to technical accuracy
- Experience with CAD and mechanical product development
- Clear communication throughout the project
- Organized deliverables
TOOLS I USE
- SolidWorks
- Fusion 360
- AutoCAD
- Illustrator
- KeyShot
Have a sketch, CAD model, prototype or invention concept?
Delivery style preference
Please inform the freelancer of any preferences or concerns regarding the use of AI tools in the completion and/or delivery of your order.
Get to know Stephan Grunwal
Stephan Grunwal
Professional Patent Manufacturing Drawings Built for Your Product
- FromUnited Kingdom
- Member sinceJul 2026
- Avg. response time1 hour
Languages
English, German, Spanish, Italian
Mechanical Engineer & Product Designer specializing in product development, patent illustration, invention support, 3D CAD, assemblies, technical drawings, and manufacturing documentation. I specialize in utility and design patent drawings, transforming ideas, sketches, CAD models, and existing concepts into clear, accurate, professional documentation. With expertise in AutoCAD, Inventor, and SolidWorks, I deliver practical, production focused solutions with confidentiality, clear communication, attention to detail, and reliable delivery.
My Portfolio
FAQ
Can you start immediately?
Yes. Send your files and requirements first, and I'll confirm the scope and delivery schedule before you order.
What files do I need to provide?
Sketches, CAD files, photos, dimensions, existing drawings, or any reference material that explains your invention.
Can you sign an NDA?
Yes. You can provide your NDA before sharing confidential project information, subject to the agreement terms.
What file formats will I receive?
Depending on the package, I can provide PDF, PNG/JPG and editable CAD/source formats where applicable.
Can you work from sketches or ideas?
Yes. I can work from sketches, photos, prototypes or existing CAD. The clearer the technical information, the more accurately I can reproduce the invention.
Do you provide source/editable files?
Yes. Editable source files are included in the Standard and Premium packages where applicable.
Can you handle large or ongoing projects?
Yes. Multi-figure projects, product families and recurring work can be handled through a customized offer.
