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Senior Mechanical Design Engineer | R&D & Precision Automation CSWP-certified Mechanical Design Engineer with 8+ years of experience in high-precision systems for Medical Devices (automated robotics) and Defense & Aerospace. Skilled in delivering innovative, patent-worthy solutions with expertise in motion control and ruggedized design. Highlights: Mechatronics & Motion: Expert in gantry systems, custom gearboxes, conveyors; hands-on prototyping (Arduino, C). Regulatory & Quality: Designs compliant with MIL-STD, ISO, FDA; experienced in IP66/IP67 sealing. DFM & Manufacturing: Optimizes cost and manufacturability via CNC, injection molding, FDM & SLA 3D printing. Proven collaborator in cross-functional teams, mentoring engineers, and integrating mechanical systems with software/electronics from concept to V&V. Expertise: Precision Mechatronics, FEA/ANSYS, Product Lifecycle Management, Regulated R&D

100% Job Success | Worked with multiple USA & Israel Robotics Team If you're building a robotics and IoT product and need it designed right the first time — manufacturable, testable, and ready for production — you're in the right place. I'm Dharmik, a Robotics Engineer and the founder of Polyqurl Technologies. I specialize in three things: → CAD & Product Engineering: SolidWorks 3D models, 2D manufacturing drawings, DFM-optimized designs for plastic, sheet metal, and CNC parts. I don't just model — I design for how it will actually be made. → Robotics & Automation Design: Custom robot mechanisms, gripper and arm design, kinematic analysis, and Arduino-based control systems. From concept sketch to a working prototype BOM. → IoT + Web Dashboards: If your hardware device needs a control panel or real-time monitoring dashboard, I build the full stack — sensor integration, Node.js backend, React frontend. 100% Job Success on Upwork. CSWP + CSWPA certified by Dassault Systems (the makers of SolidWorks). 4+ years hands-on with robots, product design, and full-stack development. Hardware startups, product inventors, and engineering teams anywhere in the world who need fast, precise, production-ready output — not endless revisions. Ready to start? Send me a message with what you're building and I'll tell you exactly how I'd approach it.

I’m Pratik, a full-time freelance CAD designer specialized in 3D printing design. I handle everything related to additive manufacturing, from functional product parts to architectural miniatures, medical models (CT/MRI segmentation & implants), and robotics/electronic enclosures. I understand both the technical and practical side of every project, and if I apply for a job, it means I’m confident I can deliver accurate results on time. I look forward to connecting and working together.

I help startups, product teams, and companies turn ideas into manufacturable, working hardware — across mechanical design, robotics, and mechatronics. With 9+ years of experience and 70+ projects delivered, I work the full product lifecycle: concept design, CAD, DFM, prototyping, testing, and production-ready documentation — for consumer, industrial, robotics, IoT, and embedded hardware applications. My background spans mechanical systems as well as mechatronics — integrating PCBs, sensors, actuators, and embedded electronics into mechanisms that are robust, manufacturable, and scalable for production. I've designed autonomous mobile robots (AGVs/AMRs), robotic arms and end-effectors, and consumer robotics hardware, alongside sheet-metal, injection-molded, and CNC-machined product enclosures. ### What I Can Help You With ✔ Mechanical Product & System Design ✔ Robotics & Mechatronics (AMR/AGV, robotic arms, sensor integration) ✔ Mechanical Enclosure Design for Electronics & PCBs ✔ 3D CAD Modeling (SolidWorks, Fusion 360, Inventor) ✔ Electromechanical Product Development ✔ Mechanism & Moving Assembly Design ✔ Injection Molding, CNC & Sheet Metal Design ✔ Design for Manufacturing (DFM) & Tolerance Analysis ✔ Prototype Development & Mechanical Validation ✔ Manufacturing Documentation & Engineering Drawings ### Industry Experience - Robotics & Industrial Automation - Consumer Electronics & IoT Devices - Wearable & Medical Products - EV Charging & Smart Energy Systems - Embedded Hardware Products - Custom Mechanical Systems Why Clients Work With Me ? • 9+ years of mechanical design & robotics engineering experience • 70+ successful product development projects delivered • B.Eng Mechanical Engineering, M.Tech Design Engineering, Chartered Engineer (CEng), India • End-to-end delivery: concept → CAD → prototyping → DFM → production & testing • Experience working with startups, robotics companies, and fast-moving teams • Clear communication and a structured engineering workflow that reduces redesign risk I focus on building products that aren't just functional in CAD, but practical to manufacture, assemble, test, and scale in the real world. If you're developing a hardware or robotics product and need mechanical design, mechatronics integration, or manufacturing support, feel free to reach out with your project details. Core Skills: Mechanical Engineering, Robotics, Mechatronics, Mechanical Design, Product Development, SolidWorks, Mechanical CAD, Enclosure Design, Electromechanical Systems, Mechanism Design, DFM, Injection Molding, CNC Design, Sheet Metal Design, Embedded Hardware Integration, IoT Product Design

I build things that exist in the physical world — embedded systems, robotic mechanisms, IoT devices, and hardware prototypes that go from sketch to functional product. With hands-on experience across ESP32, Raspberry Pi, Arduino, STM32, and RTOS-based systems, I work the full hardware stack: firmware, sensor integration, CAD enclosure design in Fusion 360, FDM 3D printing, and PCB layout. I've shipped across domains — rehabilitation robotics, predictive maintenance, food safety sensing, animatronics, and industrial IoT. Currently a Product R&D Intern at Xibotix (building rehab devices and animatronic systems) and previously at Dotworld Technologies, where I delivered real-time actuator control systems end-to-end — from firmware to deployment. I work best with startups that have an idea but need someone who can build it. I don't just write code — I think about the enclosure, the power architecture, the sensor placement, and what failure looks like at 3 AM. That's the difference between a demo and a product.

I’m a Robotics and Mechatronics Engineer, skilled at turning ideas into functional, manufacturable prototypes. I specialize in clean, efficient mechanical design using SolidWorks and Fusion 360 with extensive experience in 3D printing, slicing and preparing models for high-speed, precision manufacturing. Beyond mechanical design, I bring strong expertise in robotics, drone systems, electronics and embedded systems. I have designed, built and integrated custom robotic platforms, FPV drones and autonomous systems using Arduino, Raspberry Pi, sensors, wireless communication and motor control. My projects include self-balancing robots, gesture-controlled prosthetic hands, morphing robots, custom quadcopters, mobile manipulators and other electromechanical systems that combine CAD, fabrication, electronics and software into fully functional prototypes. What I can help you with: 1. 3D CAD Design – Mechanical parts, product design, enclosures, assemblies, and manufacturing-ready models using SolidWorks and Fusion 360. 2. 3D Printing & Design for Manufacturing – Model preparation, slicing (Bambu Studio, UltiMaker Cura, ideaMaker), print optimization, troubleshooting and rapid prototyping. 3. Functional Prototyping – Building working prototypes with motors, actuators, sensors, electronics and mechanical assemblies. 4. Robotics & Drone Development – Custom robotic systems, FPV drones, UAV components, mechanism design, electronics integration and testing. 5. Electronics Integration – Arduino, Raspberry Pi, motor drivers, ESCs, sensors, LCDs, touchscreens, wireless communication and embedded hardware. 6. Component Fit & Validation – Assembly verification, tolerance checks, interference detection and real-world fit testing before manufacturing. 7. Basic Rendering & Animation – Functional visualizations and concept presentations for prototypes and products. I focus on creating practical, reliable designs that can be manufactured, assembled and tested efficiently, whether you need a single mechanical part, a complete product prototype or a fully integrated robotics or drone system.