Heitor B.

3D CAD Modeling, DFM & Rapid Prototyping Specialist

Mechanical & Production Engineering Specialist with extensive experience in 3D CAD Modeling, Design for Manufacturing (DFM), Rapid Prototyping, and Technical Detailing. I help engineering firms, startups, and product developers transform raw concepts into manufacture-ready 3D models and production-ready drawings.

Core Services & Expertise:
• 3D CAD Modeling & Product Design: Fusion 360, AutoCAD, SketchUp
• Design for Manufacturing (DFM): Sheet metal design, bend relief, CNC laser/plasma cutting optimization, nesting
• Rapid Prototyping & 3D Printing: FDM/SLA optimization, slicing (OrcaSlicer/Klipper), STL/STEP file repair & preparation
• 3D Rendering & Visualization: High-fidelity photorealistic product renders (D5 Render) for datasheets and marketing
• 2D to 3D Conversion & Technical Drawings: Assembly manuals, BOM (Bill of Materials), and manufacturing blueprints

Industry Experience:
Worked across industrial automation, agricultural machinery, custom equipment manufacturing, and indoor farming technology. Delivered projects for multinational clients including Rijk Zwaan, Kepler Weber, and regional industrial players.

HEITOR PEREZ BARCELLOS — SUMMARY OF WORK EXPERIENCE

1. Independent Engineering Service Provider | Contractor (Aug 2026 – Present)

• Technical Solutions & Consulting: Deliver specialized engineering, automation, and manufacturing solutions for industry clients.
• Key Client Projects:
Verth Tecnologia: Directed the development and execution of the "Electric Carriage" (Carruagem Elétrica) project.
Grupo CBD: Integrated advanced technological and operational resources in industrial automation, robotics, and precision machining.
Rijk Zwaan Brazil: Manufactured customized technical equipment and bespoke agricultural solutions.
ACP Bioenergia: Managed engineering designs for infrastructure and construction site implementation.
Sementes Feltrin: Provided electrical panel maintenance, technical support, and system diagnostics.

2. Grupo HidroGood (Holambra, SP) | (Nov 2023 – Mar 2026 | Total: 2 yrs 5 mos)

• Technical Works Assistant (Nov 2025 – Mar 2026)
Coordinated and supervised technical field construction and agricultural engineering projects.
Managed assembly crews for facility retrofits, specialized installations, and new commercial developments.
Offered post-installation technical monitoring and consultative client support on product specifications.
• Agricultural Engineering Intern – R&D (Nov 2023 – Nov 2025)
CAD & DFM Engineering: Modeled 3D metal components in Fusion 360 using Design for Manufacturing principles (bend reliefs, sheet utilization, CNC cutting).
Rapid Prototyping & Hydraulics: Designed 3D-printed parts for greenhouses and irrigation; calculated pump specs and designed feeding/drainage layouts for NFT and drip hydroponic systems.
Field Execution & Visuals: Monitored high-capacity installations (e.g., metallic NFT benches at Rijk Zwaan and Carlos Orlandi Station); created high-fidelity 3D renders (D5 Render) and technical assembly manuals.

3. Kepler Weber (Campinas, SP) | (Apr 2022 – Oct 2023 | Total: 1 yr 7 mos)

• Project Designer & Sales Assistant (Aug 2022 – Oct 2023)
Engineering Layouts: Autonomously engineered technical layouts for Grain Processing Units (UBGs) and large-scale grain storage systems.
Costing & Commercial Strategy: Performed cost engineering, feasibility analyses, and detailed budgeting for high-value sales proposals.
Technical Sales & Client Relations: Led technical meetings, presentations, and negotiations with key clients across São Paulo and South of Minas Gerais.
Process Innovation: Standardized visual presentation methodologies to boost proposal impact and sales efficiency.
• Grain Storage & Processing Intern (Apr 2022 – Aug 2022)
Sized grain conditioning systems, optimized industrial layouts for process efficiency, and structured detailed technical budgets.

4. CNPq / IAC – Scientific Research Scholar (PIBIC) (Aug 2021 – Aug 2023)

• Controlled Environment Agriculture (CEA): Researched indoor farming at the Urban Farming Lab (Agronomic Institute of Campinas - IAC).
• Scientific Output: Authored technical reports and delivered 3 conference presentations (2 oral, 1 poster).

5. School of Agricultural Engineering – Unicamp (Jul 2021 – Dec 2022)

• Teaching Assistant (Topography): Mentored undergraduate students across 3 semesters, created study guides, reviewed class materials, and assisted course administration.

I focus on precision, clear technical communication, and fast turnaround times. Let's bring your project to life!