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I will do mechanical design, custom product prototype and dfm engineering
Sergio B
About this gig
Do you need professional mechanical design, DFM engineering, or a functional product prototype that is accurate and ready for manufacturing? I'm a Product Designer and Mechanical Engineer focused on turning concepts, sketches, and existing parts into practical, production-ready solutions.
I help:
- Inventors
- Startups
- Businesses avoid costly redesigns, poor fitment, manufacturing issues, and inaccurate technical documentation through precise CAD and engineering support.
What I Offer:
- Mechanical design & 3D CAD modeling
- Functional product prototypes
- DFM for CNC, injection molding & sheet metal
- Detailed 2D technical drawings
- Product assemblies & modifications
- 3D CAD rendering & visualization
- Reverse engineering & CAD redesign
- STL, STEP, IGES, DXF & DWG files
My focus is simple:
- Accurate design
- Practical functionality
- Manufacturing readiness.
What I need:
- Project brief: constraints, details, discussion
- Sketching/concept of product
- Visual specs like color, material, etc.
Whether you need a prototype for testing, technical drawings for production, or professional 3D visuals for presentation, Ill provide a reliable solution tailored to your requirements.
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 Sergio B
Sergio B
Turning Ideas Into Precision Engineered Products of CAD and Product Design
- FromSpain
- Member sinceAug 2026
- Avg. response time1 hour
Languages
English, Spanish, German
Hi! I’m a professional Product Designer and Mechanical Engineer specializing in SolidWorks, Fusion 360, 3D CAD modeling, 2D technical drawings, product development, reverse engineering, and manufacturing-ready designs. I help startups, inventors, and businesses turn ideas, sketches, and concepts into accurate, functional products ready for prototyping and production. Expect quality, precision, clear communication, fast delivery, and dedicated support until you’re satisfied. Let’s bring your product idea to life!
Other Industrial & Product Design Services I Offer
FAQ
What do you need from me to start the mechanical design project?
Please provide your concept, sketches, reference images, existing CAD files, dimensions, specifications, and a brief description of the product’s intended function
Can you design a functional product prototype from my idea?
Yes. I can develop your concept into a detailed 3D CAD model and prepare files suitable for prototyping and further manufacturing.
Do you provide DFM (Design for Manufacturing) services?
Yes. I can review and optimize your design for CNC machining, injection molding, 3D printing, sheet metal fabrication, and other manufacturing processes.
Can you create technical drawings for manufacturing?
Yes. I provide detailed 2D technical drawings with dimensions, tolerances, annotations, and relevant manufacturing information.
Can you create photorealistic 3D CAD renders?
Yes. I can create professional product renders suitable for presentations, product pitches, websites, catalogs, and marketing materials.
Can you modify or redesign an existing product or CAD model?
Yes. I can update existing CAD files, improve functionality, correct design issues, and optimize the model for manufacturing.
What manufacturing processes can you design for?
I can prepare designs for CNC machining, 3D printing, injection molding, sheet metal fabrication, and general prototyping.
Can you handle complex parts and assemblies?
Yes. I can work on individual mechanical components as well as multi-part assemblies and product systems.
Should I contact you before placing an order?
Yes. Please send your project details first so I can understand the scope, complexity, deliverables, and manufacturing requirements before you order.
