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I will design 3d cad products for startups, prototyping, dfm and injection molding
Doug Chatter
About this gig
Your idea is only the beginning; lets engineer it into something you can actually build.
I help startups, inventors, and product developers turn concepts, sketches, references, and existing designs into accurate 3D CAD products ready for prototyping and manufacturing.
Whether you're preparing for 3D printing, CNC machining, or injection molding, I focus on practical product engineering, clean CAD geometry, DFM considerations, and manufacturing-ready deliverables.
My services include:
- 3D CAD product design
- Concept-to-CAD development
- Plastic part design
- Injection molding design & DFM
- Prototype development
- 3D printing-ready models
- CNC machining-ready parts
- Mechanical parts and assemblies
- Product modifications and optimization
- Manufacturing-ready CAD
- Technical drawings and dimensions
- STEP, STL, IGES and other CAD formats
- Basic product visualization and presentation
Tools:
- SolidWorks
- Fusion 360
- AutoCAD
- Creo
- Autodesk Inventor
- Blender
- KeyShot
- Meshmixer
From concept to CAD to prototype to production.
Ready to turn your idea into a buildable product?
Send me your concept, sketch, or existing CAD file, and let's get started.
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 Doug Chatter
Doug Chatter
3D Product and Character Designer, Concept to Production
- FromUnited States
- Member sinceAug 2026
- Avg. response time1 hour
Languages
English, German, French, Spanish
I’m a 3D designer focused on turning ideas, sketches, and concepts into practical, high-quality 3D models.
I work across product CAD, DFM, injection molding, prototyping, 3D printing, character modeling, toy design, statues, and figurines. Whether you’re developing a physical product for manufacturing or creating a character for games, animation, or printing, I focus on clean geometry, accurate details, and production-ready results.
My goal is simple: build the 3D asset you can actually use
My Portfolio
Other Industrial & Product Design Services I Offer
FAQ
Can you design a product from a sketch or idea?
Yes. I can develop your product from sketches, reference images, dimensions, existing CAD files, or a detailed concept and turn it into a precise 3D CAD model
Can you make my design ready for injection molding?
Yes. I can apply key DFM considerations such as draft angles, wall thickness, ribs, bosses, fillets, and parting-line considerations to help prepare the design for injection molding
Can you design products for 3D printing and CNC machining?
Yes. I can adapt and optimize CAD designs for 3D printing, CNC machining, prototyping, and other manufacturing processes based on your requirements
What files will I receive?
Depending on your package, I can provide STEP, STL, IGES, SLDPRT, DWG/DXF, PDF technical drawings, and other formats you require
What do you need to start my project?
Send me your sketches, reference images, dimensions, existing CAD files, material information, and intended manufacturing method. If some information is missing, I can help identify what is needed before starting
