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Adrian C.

💡 Freelance Mechanical Engineer | SolidWorks Expert | CAD Designer & 3D Modeler

Biñan, Philippines

Global rank:

7,945 / 113,259

Skill pts: 5

3D Modeling CAD Design Exploded View Drawings Product Design Sheet Metal Design

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About

About
I’m Adrian Castro, a licensed Mechanical Engineer with 8 years of hands-on experience in SolidWorks-based product development, 3D modeling, and manufacturing documentation. I help startups and established firms turn ideas into production-ready designs—fast and error-free.

Key strengths
• Expert in SolidWorks: complex assemblies, sheet-metal, weldments, motion studies
• Precise 2D fabrication drawings, BOMs, and GD&T per ISO/ASME standards
• 3D printing & CNC-ready STL/DXF preparation
• Clear, prompt communication and on-time delivery (Top-Rated on ▒▒▒▒▒▒)

Notable work
• Designed a modular A-Frame display stand (2.25 m) with bolt-on assembly, cutting material + labor by 30 %
• Developed consumer-grade kitchen gadget from concept to injection-mold tool release in 10 weeks
• Created >200 production drawings for an industrial HVAC system now installed across Southeast Asia

Education
BS Mechanical Engineering, University of Perpetual Help System, 2012

Let’s collaborate to bring your next product to life accurately, efficiently, and ready for manufacture.

Experience

Freelance Mechanical Design engineer Self-employed / Upwork / Fiverr / Cad Crowd · Freelance Mar 2020 – Present 5 yrs 8 mos undefined Designed 3D models and 2D fabrication drawings using SolidWorks for international clients

Specialized in product development, metal fabrication, and plastic parts for 3D printing or injection molding

Prepared manufacturing files including STL, STEP, DXF, and technical documentation

Communicated with clients to refine concepts and deliver production-ready designs

Notable projects: A-Frame Display Stand, Custom Brackets, Consumer Appliances
Mechanical Engineer / CAD Designer HTGAS Corporation · Full-time Jun 2017 – Feb 2020 2 yrs 8 mos undefined Created detailed mechanical drawings and 3D models for gas systems and structural supports

Developed technical documentation and BOMs for procurement and production

Collaborated with cross-functional teams to ensure designs met project specs

Handled revisions and updates based on site feedback and field conditions

Education

University of Perpetual Help - Dalta Systen Bachelor of Science in Mechanical Engineering, Mechanical Engineering, Graduated 2007 – 2012 Activities and Societies: Member, Philippine Society of Mechanical Engineers (PSME) – Student Chapter Participant, Inter-School CAD Design Competition (SolidWorks) Team Leader, Senior Design Project – Portable Rice Mill Mechanism Volunteer, Campus Engineering Outreach Program Completed a Bachelor’s Degree in Mechanical Engineering with a strong foundation in mechanical design, thermodynamics, machine elements, and manufacturing processes. Gained practical experience in CAD tools such as SolidWorks and AutoCAD through various academic design projects and lab work.

Led our senior design team in creating a prototype machine for small-scale agricultural processing. Actively participated in student engineering organizations and design competitions that strengthened my problem-solving and teamwork skills.

Other experience

Volunteer CAD Support – Community Engineering Project Assisted in creating CAD layouts and technical drawings for a university-led outreach project aimed at designing low-cost water filtration units. Contributed to the design review and prototyping process.
Senior Design Project – Portable Rice Mill (Team Leader) Led a 4-member team to design and develop a prototype for a portable rice mill intended for small-scale farmers. Handled full CAD modeling, motion study, and fabrication drawing using SolidWorks. Presented the final project to faculty and external evaluators
Freelance CAD Projects for Local Fabricators Provided SolidWorks designs, 2D drawings, and DXF files for local machine shops and metal fabricators. Worked on custom frames, brackets, and enclosure designs used in actual production. Communicated directly with clients to ensure fit and function.