Hire the Best Automotive Design Freelancers
in Turkey

www,celalettintoprak,com I design real products that get manufactured - not just 3D models. Manufacturing-ready CAD, prototyping, and Design for Manufacturing (DFM)-driven product development for industrial and consumer products. I’m an Engineer and Industrial Product Designer focused on manufacturing-driven product development. My background spans automotive, industrial, and consumer products, where I’ve worked as a Product Developer, Designer, and Technical Lead in production-oriented environments. I don’t approach projects as isolated design tasks. I approach them as systems that must survive prototyping, manufacturing, assembly, cost pressure, and real-world use. 📐 What You Can Expect Working With Me: - Clear, structured CAD suitable for iteration and production - Design decisions informed by manufacturing reality - Practical communication with engineers, suppliers, and manufacturers - Honest feasibility feedback (go / no-go when needed) - Designs meant to be tested, not just rendered 📐 Core Capabilities: - 3D CAD modeling (Siemens NX) - 2D technical drawings (AutoCAD Professional) - CNC, laser cutting, and sheet metal preparation - Injection molding–ready part design - Fixture, bracket, and assembly design - BOM creation and production planning support - Reverse engineering and scan-based modeling 📐 Injection Mold & Manufacturing Experience I have hands-on experience designing plastic injection molds and mold-ready parts, including projects for automotive and food-related products. ⚙️ I’m familiar with: - Injection molding–ready design, Core / cavity logic - Draft angles & wall thickness optimization - Parting lines and shut-off surfaces - Shrinkage and material behavior - Gate concepts (hot runner, valve gate) - Collaboration with mold makers and CNC shops - Design for Assembly (DFA), production validation - Engineering-driven product development - Long-term product roadmap support My focus is always on tool longevity, cycle time, surface quality, and cost efficiency. 📏 Typical Projects I Work On: - Automotive accessories and aftermarket products - Mechanically complex plastic or metal parts - Prototyping-heavy product development - Production validation before tooling - Redesigns for cost reduction or manufacturability - CAD clean-up and production conversion 📌 Primary CAD Tool: Siemens NX, AutoCAD and Geomagic Design X I work primarily in Siemens NX, which is widely used in high-end automotive and industrial manufacturing. I can deliver clean, fully editable STEP / STL / Parasolid files, and I regularly convert and work with SolidWorks, Fusion 360, Rhino, SketchUp, and scan-based data. If you use SolidWorks or another CAD system, this is not a limitation — deliverables are always production-ready and compatible. 📌 If you need more than a modeler—someone who understands how products are actually built and scaled—I can support your project from concept to production readiness.

Experienced Manufacturing Engineer and Designer with a demonstrated history of working in the automotive industry. Generally, focus on industrial design, Lean Manufacturing Engineering, Continuous Improvement, and Failure Mode and Effects Analysis (FMEA). Strong professional with an HND Manufacturing Engineering Degree from Brighton Metropolitan College.

I help engineering teams review mechanical designs, identify manufacturing risks, and turn complex technical work into clear, decision-ready documentation. I am a Mechanical Engineer with 4+ years of experience across aerospace and automotive product-development programs. My background combines mechanical component ownership, requirements and interface management, DFMEA, GD&T and tolerancing, supplier coordination, manufacturing feasibility, engineering calculations, CAE-result interpretation, and technical reporting. I can support you with: • Mechanical design, drawing, and technical-document reviews • DFMEA, DFM/DFA, assembly, and manufacturing-feasibility assessments • GD&T, datum strategy, tolerance, and inspection-requirement reviews • Engineering reports, procedures, design-validation documentation, and technical articles • Mechanical-engineering assessments, interview questions, and training content • Structured technical feedback identifying ambiguity, missing assumptions, and inaccurate questions • Supplier issue analysis and cross-functional coordination of design, CAE, manufacturing, and quality inputs My strongest value is not simply producing a document or reviewing a model. I identify unclear requirements, practical manufacturing risks, interface problems, and assumptions that could lead to incorrect decisions or costly rework. Tools and methods: CATIA, Teamcenter, WERS, FEDE, DVA, DFMEA, GD&T, engineering hand calculations, bolted-joint evaluations, and interpretation of structural CAE results. I also have working exposure to Siemens NX, SolidWorks, and AutoCAD. You can expect clear communication, structured deliverables, and feedback grounded in real aerospace and automotive engineering practice.

*3D Modeling *Concept Design *2D Drawing *Rendering *Automotive Design/Engineering *R&D Engineering *Graphic design *Ai Supported Design *Visualization

I help automotive brands, publishers, agencies, and parts companies turn technical subjects into clear, engaging content that readers can trust. I’m an automotive journalist, SEO writer, marketing professional, and ARA-licensed ProDriver with more than a decade of professional content experience. On Upwork, I’ve completed more than 50 contracts, logged approximately 2,200 hours, and maintained a 100% Job Success Score since 2021. Unlike a generalist writer researching cars from a distance, I bring hands-on automotive and motorsport experience to every project. I understand how vehicles behave, how enthusiasts think, what everyday buyers need explained, and how automotive products should be presented without resorting to empty marketing language. I can help with: • Automotive articles, features, and blog content • SEO buying guides and comparison articles • Vehicle reviews and model research • Parts, accessories, detailing, and off-road content • Product descriptions and category pages • Website and landing-page copy • YouTube scripts and documentary-style content • Content planning, keyword research, and editorial strategy • Technical subjects rewritten for everyday readers My background includes a degree in Marketing and Advertising Communications, with a minor in English, from Johnson & Wales University. That allows me to approach content from both sides: the accuracy and credibility expected from an automotive journalist, and the commercial understanding needed to support traffic, engagement, and sales. I’m comfortable working from detailed briefs, SEO outlines, product specifications, interviews, or an initial idea that still needs development. I can take ownership of the process from research and structure through writing, editing, and final delivery. Automotive is my primary specialty, but I also work with technical products, e-commerce businesses, and brands that need knowledgeable, persuasive content without the generic corporate tone. Send me a message with your project, audience, and goals, and I’ll tell you how I would approach it.

I turn product ideas into things a factory can actually build — and that people actually buy. $1M+ in Amazon sales. $20,000+ in Kickstarter funding. Multiple patents filed. Every one of them from a CAD model on my screen. I’m a mechanical engineer with 10+ years of experience, including 5 years designing pump systems for the oil and chemical industry — equipment with zero tolerance for failure. I bring that same manufacturing discipline to every product I design now, whether it’s a consumer gadget headed for Kickstarter or an industrial mechanism that needs to run for years without breaking down. Results clients can point to: ✔️Took a startup’s pellet-boiler concept from sketch to a funded prototype and investor backing ✔️Designed a hybrid unmanned ground vehicle for a defense client, with mechanisms not previously used in that market ✔️Helped multiple Kickstarter campaigns raise $20,000+ by making sure the CAD matched what a factory could actually build ✔️Designed products behind $1M+ in Amazon sales What I bring to your project: ✔️DFM-first mechanical design — built for manufacturing, not just for looks ✔️FEA / structural simulation (Ansys, SolidWorks, Fusion 360) ✔️Manufacturing drawings, BOMs, and CNC/CAM programming ✔️Reverse-engineering from 3D scans ✔️Concept design and industrial design, start to finish Software: SolidWorks · Fusion 360 · Autodesk Inventor · Siemens NX · AutoCAD · Ansys · Geomagic Design X I respond fast, I’m direct about what will and won’t survive manufacturing, and 80% of my clients come back for their next product. If you have an idea that needs to become a real, sellable, manufacturable product — let’s talk.