Hire the Best slic3r Specialists

Hello! I am Bernardo, a Mechanical Engineer and specialized Consultant with a strong background in advanced manufacturing, computational design, and product development. If you need someone who not only draws in CAD but deeply understands how parts perform under stress and how they will actually be manufactured, you are in the right place. My core expertise bridges traditional mechanical design with cutting-edge technologies. Whether you are taking an idea from a rough sketch to a fully validated prototype or optimizing an existing component for serial production, I deliver robust, precise, and efficient engineering solutions. Core Competencies & Services: 3D Modeling & CAD Design: Parametric modeling, assembly design, sheet metal, and technical drawings (SolidWorks, Fusion 360, etc.). Additive Manufacturing (3D Printing) Specialist: Expert in FDM, SLS, and SLM technologies. Deep knowledge of material selection (Nylon 12, PEEK, carbon fiber composites) and design for additive manufacturing (DfAM). Engineering Analysis (FEA & CFD): Structural optimization, stress analysis, and fluid dynamics simulations to ensure reliability and performance before physical prototyping. Prototyping & Product Development: End-to-end support from concept generation to manufacturing files preparation (STL, STEP, G-code). Why work with me? Strong Academic & Professional Foundation: Dual background combining rigorous engineering principles with applied analytics. Industry Experience: Hands-on background working with complex industrial additive manufacturing and data-driven solutions. Focus on Efficiency: Clear communication, attention to detail, and a commitment to delivering designs optimized for cost, strength, and manufacturability. Let’s bring your project to life. Feel free to reach out, and let's discuss how we can achieve your goals!

Mechanical Engineer | CFD · FEA · CAD | 2× USPTO Patents | Top Rated Plus Overview: Mechanical engineer specialising in CFD, FEA, and thermal systems, with two granted USPTO patents in cooling technology (US 12,452,991 · US 12,453,048). I design and validate heat exchangers, HVAC systems, centrifugal fans, and refrigerant loops in OpenFOAM, ANSYS Fluent, SimScale, and SolidWorks Flow Simulation. Top Rated Plus on Upwork , 85+ contracts, 3,000+ hours, $275K+ earned. Based in Cape Town, South Africa. Former CTO of a product development company. I don't ship black-box "trust me" reports. Every deliverable carries the mesh, Y+ verification, residual history, and flow-uniformity evidence behind the numbers. Results your team can defend in a design review. And because I've built a Python+OpenFOAM automation pipeline, I run parametric sweeps hand-meshing freelancers can't: on Heat exchanger contracts(2026), a 224,000-point overnight sweep on a centrifugal heat exchanger surfaced a geometry that more than doubled system COP. Core Services CFD: heat exchangers, HVAC, centrifugal fans, ducts, refrigerant loops; conjugate heat transfer, natural convection, multiphase flow with species transport, turbulence modelling (k-ω SST, realizable k-ε, LES where warranted). FEA / Structural: stress, fatigue life, vibration, drop/impact testing, nonlinear and topology optimisation, composites (CalculiX, ANSYS Mechanical). Acoustic / NVH: noise prediction and NVH analysis. CAD & Documentation: SOLIDWORKS parametric modelling, assemblies, sheet metal, weldments, surface modelling, photorealistic rendering, and manufacturing-ready technical drawings. Software: OpenFOAM, ANSYS Fluent, ANSYS Mechanical, SimScale, STAR-CCM+, COMSOL Multiphysics, SolidWorks (CAD + Flow Simulation), CalculiX, Gmsh, AutoCAD, Fusion 360, MATLAB, Python. Selected Work: Heat exchanger (2026) — 224k-point automated CFD sweep on a centrifugal heat exchanger; found a geometry that >2× system COP. Brine–CO₂ corrosion modelling, oil-field pipework (2025–26, active) — multiphase CFD with species transport. USC approved Valve (2025) — backflow-preventer pressure-loss validation to AWWA C510 across six configurations. EvansWerks (2023–26) — 32-month principal-engineer engagement for Product development Patented airless tyre (2026) — coupled FEA + thermal feasibility on an adaptive airless tyre (CalculiX + Gmsh). toronto university wind tunnel (2025) — contraction-section CFD achieving <1% velocity-profile RMS in the working section. Credentials: Mechanical Engineering, advanced simulation focus (in progress) · BSc.Eng (Hons) Mechanical Engineering, UKZN · Aerospace Systems Research Group affiliate since 2019 · 2× granted USPTO patents in cooling-system technology. Industries: Aerospace, Automotive, Energy, Manufacturing, Medical Devices, Consumer Products, HVAC, Electronics Cooling. Working With Me: Send a brief or job link → scope, a fixed or hourly quote, and a stated turnaround within one business day. Every project ships with validated mesh, residual + Y+ + flow-uniformity plots, side-by-side configuration comparison, and a one-page executive summary. Regular updates throughout, designs optimized for manufacturability. Overlap with US, EU, and APAC business hours.

Being a Certified SOLIDWORKS Professional, my 9+ years of professional DFM experience supports me to stand out with the following skillset • Product Design (Design, Rendering, 3D printing, Prototyping, Manufacturing) • CAD Modelling (SOLIDWORKS, CATIA, Creo, Pro E) • FEA Analysis (Solidworks, Ansys, Abaqus) • CFD (ANSYS CFX, ANSYS Fluent, Star CCM+, SOLIDWORKS) • Thermodynamic and Heat Calculations • Material Selection Using CES Software I am also proficient in • Matlab / Simulink, PCB Design Being a Mechanical Engineer and Design Professional, I am well experienced in the complete design process starting from concept sketches to bulk manufacturing and shipping (to amazon warehouse or any location). I am accustomed to the use of standard components from reliable suppliers e.g. Macmaster-Carr to keep the product cost at a minimum. I also provide the service of prototyping and have all the required resources, including 3D printers (FDM, SLA), laser cutter, PCB machine, CNC and other workshop facilities. Afterwards, if needed, I can connect you with reliable Chinese manufacturers too. I look forward to discussing your project with you on chat /call. Regards Muhammad Waqas Nawaz

As a Mechanical Design Engineer with a strong background in product development, I specialize in turning concepts into manufacturable, certified, and market-ready hardware. My core strength lies in full-cycle development of mechanical and electromechanical systems — from early-stage ideation and 3D modeling to prototyping, testing, and preparing for mass production. I’ve led and contributed to a wide range of product design projects including wearable and area air sampling pumps, embedded systems, smart appliances, and battery-powered solutions. Whether you're building a new industrial tool, a certified medical device, or a consumer electronics product, I bring hands-on expertise that ensures your design is practical, efficient, and ready for real-world use. • Expert in 3D CAD modeling (SolidWorks, Fusion 360) with specialization in mechanical design for injection molding, CNC, and sheet metal fabrication • Strong foundation in DFM/DFA, tolerance analysis, thermal management, structural optimization, and IP-rated sealing • Experienced in designing custom pumps, airflow systems, and compact enclosures for sensor-integrated electromechanical products • Skilled in taking products from concept to prototype, including material selection, in-house testing, and industrial design alignment • UI/UX design for embedded systems, with real-time data visualization and user interaction • Knowledgeable in compliance with IEC 60079-11, ISO 13485, CE, and EMC standards. Here’s a little detail about my recent projects: Air Purifier Design Led the complete mechanical and airflow design of a smart cylindrical air purifier. Designed the enclosure, internal ducting, and fan system to achieve a Clean Air Delivery Rate (CADR) of 500 m³/h while maintaining low noise. Integrated a centrifugal fan with optimized blade geometry, airflow channels, and a cylindrical HEPA + activated carbon filter. Created manufacturable CAD models, supported mold-ready plastic part design, and ensured proper sealing for dust containment and filter integrity. Personal Air Sampling Pump Designed a compact, wearable air sampling pump for occupational exposure monitoring. Developed a custom diaphragm pump, internal airflow pathway, and sensor housing to maintain accurate flow under variable back pressure. Engineered a low-power circuit architecture with BLE connectivity, pressure sensing, motor control, and data logging. Created an intuitive UI on a 2.4” TFT screen with real-time feedback and fault detection. Ensured compliance with IEC 60079 standards for intrinsic safety and environmental performance. Area Air Sampling Pump Developed a high-capacity, portable air sampling pump for fixed-location use in industrial settings. Designed the enclosure, internal structure, and modular airflow system for stable operation at flow rates up to 22 L/min. Integrated flow sensors, motor drivers, and battery management systems to support long-duration sampling. Designed the circuit architecture, allowing configurable flow control, real-time monitoring, and Bluetooth data access. Created production-ready CAD and BOM documentation. Custom Diaphragm Pump Development Designed and prototyped a mini diaphragm pump optimized for low-noise, high-efficiency air sampling. Calculated stroke volume, diaphragm area, and chamber geometry to meet dual flow-pressure targets: 1 L/min @ 27 kPa and 5 L/min @ 10 kPa. Engineered the valve system using umbrella-type check valves and optimized the diaphragm shape for minimal pulsation and efficient compression. Created working prototypes using CNC-machined parts and tested performance under load conditions. Solar Battery Module for Homes Developed a modular lithium-ion battery pack for home solar storage applications, optimized for safety, efficiency, and long life. Engineered the battery enclosure with integrated BMS mounting, thermal relief, and cable routing. Supported cell interconnection design, fuse protection, and housing for passive ventilation. Created 3D CAD models, wiring schematics, and sourcing lists for local assembly and deployment.

CFD and FEA consultant with post-doctoral research experience and 15+ publications in peer-reviewed journals. I run simulations from CAD cleanup through meshing, solving, and post-processing, and deliver results with clear reports and animations. Can handle complex and multi-disciplinary projects. Applications: - HVAC, ventilation, and indoor air quality - Heat transfer and thermal management (heat exchangers, cold plates, data centers) - Turbomachinery and aerodynamics - Multiphase flow (free-surface, particle-laden, droplet dynamics) - Adjoint-based design optimization (DAFoam, Dakota) - FEA structural and thermal-structural analysis - Far-UVC pathogen modeling and disinfection Interested in and exploring AI/ML integration with CFD workflows (surrogate modeling, physics-informed approaches). Tools: - CFD: OpenFOAM, Ansys Fluent, Basilisk, CONVERGE - FEA: Code_Aster, Calculix, Elmer, Abaqus - CAD/Meshing: Blender, FreeCAD, Gmsh, snappyHexMesh - Post-processing: ParaView, Python, Blender - Programming: Python, C/C++, Fortran, MATLAB I have my own high-performance compute server, so simulations run on my hardware with no cloud costs passed to you.

Hi, I'm Widad Elyamani – an aerospace engineering graduate with deep experience in CFD, CAD, and structural analysis. I've used ANSYS and Abaqus to evaluate composite structures, always aiming for efficient, high-performance outcomes. MATLAB & Simulink help me handle data analysis, control logic, and simulation automation. Whether you need aerodynamic analysis, structural FEA, or detailed CAD modelling, I focus on delivering precise, high-quality results. Because engineering isn't just theory – it's solving real problems with practical, well-executed solutions. My background combines analytical rigour with hands-on design and simulation. I've run aerodynamic studies using XFLR5 / XFOIL, created production-ready models in SolidWorks and CATIA V5, and performed advanced simulations across multiple physics domains. Tools I work with : °ANSYS (CFD, thermal, multiphase, microfluidics, coupled loads) °Abaqus (FEA, composites) °SolidWorks (3D modelling, assemblies, surfaces) °CATIA V5 °MATLAB & Simulink °XFLR5 / XFOIL How I work: °Clarify requirements before starting °Keep a clean, organised engineering workflow °Stay precise, communicate regularly, meet deadlines From 3D mechanical design to CFD, FEA, or general technical support – my goal is the same: add real value with professional, reliable work. Let's talk about your project and what you need to achieve. Best, Widad E.