Peshan Purna Senadheera S.

Need a Mechanical Design Engineer who can turn your product idea into a manufacturable, market-ready design? With 8+ years of experience in mechanical design, product design, and 3D CAD modeling, I help startups, inventors, and manufacturers move from concept to production-ready parts; fast, accurate, and built for real-world manufacturing. I specialize in: ✅ Product Design & Development - from sketch or concept to fully detailed 3D models ✅ Mechanical Design Engineering - mechanisms, enclosures, structural parts, weldments ✅ 3D CAD Modeling & Rendering - clean, accurate, manufacturing-aware models ✅ 2D Technical Drawings & GD&T - manufacturing-ready documentation, BOM, assembly instructions ✅ Design for Manufacturing (DFM) - injection molding, sheet metal, CNC machining, casting, laser cutting ✅ Prototyping & 3D Printing - FDM / SLA / SLS-ready models and design iteration ✅ Reverse Engineering - 3D scan-to-CAD and legacy drawing conversion ✅ FEA / Stress Analysis - ANSYS-based validation for strength and durability ✅ Photorealistic Renders & Visualization - for pitches, crowdfunding, and marketing 🛠 Design Software: SolidWorks | Fusion 360 | OnShape | AutoCAD | ANSYS 🏭 CAM Software: Fusion 360 CAM | CypCut | LightBurn | Lychee Slicer | Bambu Studio | Cura Whether you're an inventor with a rough sketch, a startup that needs a production-ready design, or a manufacturer optimizing an existing product, I bring the technical precision and clear communication to get it done right the first time, no back-and-forth, no missed specs. 📩 Click "Invite to Job" or send me a message with your project details. I respond quickly, and I'm happy to hop on a short call to scope things out before we begin.