I will do injection molded plastic enclosures with dfm and tooling support

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Patrick Sullins

About this gig

Need a functional plastic enclosure designed for injection molding and manufacturing?


With extensive knowledge of mechanical CAD and product development, I design injection-molded plastic enclosures with practical geometry, accurate dimensions and manufacturing considerations.


Services Included:

  • Custom plastic enclosure design
  • Electronic product housing
  • Injection molding DFM
  • Wall thickness optimization
  • Snap-fit and clip design
  • Mounting bosses and internal ribs
  • Screw holes and fastening features
  • Parting line and draft considerations
  • 3D assemblies and technical drawings


Software: SolidWorks, Fusion 360, Autodesk Inventor, Creo and Siemens NX.


Whether you have a sketch, reference image or existing model, I can develop or refine your enclosure for prototyping and production planning.


Send your project details and requirements. Please contact me before ordering for a custom quote based on your design complexity, deliverables and timeline.


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 Patrick Sullins

Patrick Sullins

Mechanical cad designer

  • FromSpain
  • Member sinceJun 2026
  • Avg. response time1 hour
  • Languages

    English, Spanish, German
Hello, I am Patrick, I turn product ideas, sketches and concepts into accurate 3D CAD models and practical mechanical designs. I specialize in components, mechanisms, industrial parts, product enclosures, assemblies and functional prototypes. Services include parametric modeling, 2D technical drawings, exploded views, design refinement and manufacturing-focused detailing for 3D printing, CNC machining and sheet metal fabrication. I provide clear communication and organized deliverables for each project. Message me to discuss your requirements and the right design solution.