✅Injection molding designer (13 years experience).
✅Enclosure design.
✅Conversion from hand sketch to CAD 3D.
✅Technical 2D drawing for manufacturing.
✅General industrial product.
✅3D design highly suited for 3D printing.
✅Conversion from .stl or .obj to .step/.stp.
✅DFM (11 years experience).
Thank you for stopping by my profile.
My name is Tuan, and I have over 13 years of experience in injection molding design and product design for a Japanese company. Through this experience, I have developed a deep understanding of the following skills:
🌟Injection Molding Experience: Drawing from my experience in injection molding in over 13 years, I can easily address possible injection issues prior to actual injection stage, leading to smoother production.
🌟Machining Expertise: My experience in machining, including surface grinding, milling, CNC, WE and EDM (electric discharge machining) gives me the advantage to understand what type of designs makes the machining process easier and faster.
🌟Plastic Design Proficiency: I possess in-depth knowledge of plastic design principles, including ideal draft angles, thickness considerations, and potential deformities. This enables me to create designs optimized for injection molding, ensuring smooth production processes and high-quality outcomes.
🌟Proficiency in Material Profiles: I possess a deep understanding of various materials utilized in resin products, including ABS, PP, PPS, POM, PBT, PE, and more. My knowledge encompasses the properties of these materials crucial for injection molding processes, such as shrinkage, burr occurrence, filling capability, and optimal thickness for filling...
🌟Proficiency in 3D printing principles: I possess the capability to optimize designs for 3D printing, ensuring their printability, functionality, and suitability for injection molding.
🌟Design Principles: I comprehend design principles to create visually appealing products aligned with current trends.
Give me a trial today and expect an output that would definitely exceed your expectations!
Thank you.
SolidWorks
CAD
Autodesk AutoCAD
Injection Mold Design
Injection Mold
Moldflow
Nam P.
Hanoi, Vietnam
$30/hr
5.0
3 jobs
I am a Mechanical Design Engineer with years of hands-on experience working directly in mechanical workshops and fabrication plants. Having a deep understanding of practical machining and manufacturing processes, I ensure every design is fully optimized for real-world production.
🌟 Core Services
✅3D CAD Modeling & Assembly: Specialized in complex machinery, structural framing, and sheet metal components.
✅Production-Ready 2D Drafting: Complete shop drawings with precise geometric dimensioning and tolerancing (GD&T).
✅Laser Cutting Optimization: Precision DXF/DWG file preparation for manufacturing and laser cutting.
✅Reverse Engineering: Accurate conversion of PDF, sketches, or JPEG images into fully functional CAD files.
✅Automated BOM Generation: Detailed Bill of Materials integrated into drawings for cost and material planning.
🛠️ Software Proficiency
✅3D CAD: Autodesk Inventor | SolidWorks| Fusion 360
✅2D Drafting: AutoCAD
🤝 Why Work With Me?
✅Shop-Floor Expertise: Designs are rooted in practical machining, welding, and fabrication methods to avoid errors.
✅High Precision: Guaranteed tolerance control and structural integrity for seamless assembly.
✅Clear Communication: Daily updates and collaborative design reviews.
✅On-Time Delivery: Dependable project tracking to meet tight manufacturing deadlines.
Let’s discuss your project requirements. Contact me today to turn your concepts into production-ready reality!
Hi, I'm Paul. Transforming complex tech ideas into market-ready products is my forte. With 8 years of hands-on experience, I offer end-to-end expertise in advanced PCB design, rapid prototyping, and robust firmware development for IoT, robotics, and ultra-low power applications. My background as a startup team leader ensures a product-centric vision and accelerated project/ MVP delivery.
1. What I Offer: End-to-End Embedded & Hardware Solutions
- Advanced PCB Design & Hardware Development: Multi-layer PCBs for complex applications, focusing on reliability and performance.
- High-Speed Design: Expertise in USB 2.0, HDMI 2.0, DDR3/DDR4/LDDR4, PCIe, NAND Flash, 10/100/1000/10Gbase-T1 Ethernet, PoE++.
- Microcontrollers & SoMs: ARM Cortex-M3/M4 (STM32WL, ESP32, Nordic nRF52/53/91 series); custom boards for Raspberry Pi CM4, Orange Pi, iMX8, Jetson Nano/Xavier/Orin, RK3588, RK3568, RV1126, TI AM6254.
- Power & Analog: DC-DC (Flyback, Boost, Buck, LDOs), motor control (BLDC, AC/DC servo via I/O, ADC, CAN), high-resolution ADC/DAC, Audio circuits.
DFM/DFA & Compliance: Strong knowledge of manufacturing, assembly processes, and layout techniques for EMC/EMI compliance.
- Tools: Altium Designer (Altium365/CircuitMarker), KiCAD, Eagle, EasyEDA; OrCAD, PSpice, CAM350.
- Prototyping: Experience with BOM creation (Digikey/Mouser/JLCPCB) and combining dimensional drawings into precise Gerber formats.
- CAD/3D design tool: SolidWorks, Inventor...
2. Robust Firmware Development:
- Languages: C, C++, Python, Qt.
IoT & Wireless: MQTT, Thingsboard, AWS IoT, Blynk; experience with RF, Wi-Fi, BLE, GSM (3G/4G/LTE), LoRaWAN.
- Robotics: Expertise in ROS/ROS2 for applications like AGV, AMR, 6-axis robots.
Low-level Interaction: Proficient in designing custom drivers, managing communication protocols (QSPI, I2C, RS485, RS232, CAN, Modbus TCP/IP/RTU).
- UI/UX for Embedded: Figma, TouchGFX, LVGL for STM32, ESP32, Raspberry Pi.
3. Product & Project Leadership:
- Startup Leadership: Proven ability to lead and manage cross-functional teams in startup environments.
- Project Management: Expertise in managing design, fabrication, and procurement for cost-efficient and timely PCB acquisition.
- Problem-Solving & Research: Strong initiative, research capabilities, and excellent troubleshooting skills for electrical evaluation, testing, and PCB issues.
4. Why Partner with Me?
- End-to-End Product Vision: My background in leading startup projects provides a holistic view, ensuring your solution is not just technically sound but also viable and market-ready.
- Deep Technical Mastery: From complex high-speed routing and power supply design to robust firmware for robotics and IoT, I handle intricate challenges with precision.
- Cost & Time Efficiency: My knowledge of DFM/DFA and experience in optimizing BOMs, coupled with efficient procurement management, helps streamline your project and reduce overall development costs and time.
Ready to turn your innovative idea into a high-quality product?
Let's connect to discuss how my expertise can drive your project's success.
STM32
Embedded System
Raspberry Pi
ESP32
LoRa
Electrical Design
PCB Design
KiCad
Prototyping
Altium Designer
NVIDIA Jetson
Robot Operating System
Bluetooth LE
Wearable Technology
nRF52
AI Development
Linux
Mobile App
GPS
Industrial Design
LE V.
Hanoi, Vietnam
$15/hr
5.0
3 jobs
Are you looking for a seasoned engineer who can transform a rough sketch, a 3D scan, or a complex mechanical idea into a production-ready CAD model?
With over 13 years of professional experience in mechanical design using Siemens NX and Solidworks, I specialize in high-precision engineering and innovative product development. My background as a mechanical designer and 3D printing service provider allows me to create designs that aren't just "pretty on screen" but are fully optimized for real-world manufacturing.
What I bring to your project:
Expert CAD Modeling: 13 years of mastery in NX and Solidworks for complex machinery, jigs, and consumer products.
High-End Reverse Engineering: I can take photos, hand-drawn sketches, or 3D scan data (STL/OBJ) and convert them into fully parametric, editable CAD models (STEP/IGES/Parasolid).
Design for Additive Manufacturing (DfAM): Deep understanding of 3D printing constraints (FDM/SLA/SLS). I optimize wall thickness, tolerances, and supports to ensure your prints succeed the first time.
Mechanical Systems & Automation: Expertise in designing assembly machines, industrial components, and integrated mechanical systems.
My Workflow:
Consultation: Understanding your functional requirements and constraints.
Conceptualization: Converting your sketches/scans into a preliminary 3D structure.
Refinement: Applying engineering tolerances and optimizing for your chosen manufacturing method (3D Printing, CNC, or Injection Molding).
Delivery: Providing high-quality source files and technical documentation.
I am committed to precision, clear communication, and meeting tight deadlines. Let’s hop on a brief call to discuss how I can bring your mechanical vision to life!
CAD
3D Design
CAD Conversion
3D Modeling
Sheet Metal
Reverse Engineering
2D Drawing
2D Drafting
Tai V.
Da Nang, Vietnam
$15/hr
5.0
4 jobs
I am looking for online job with some content below:
1. Schematic/PCB design
- I have 5 years experience in PCB layout
- I can do PCB design for a board from 2 to 26 layer, standard board/ ceramic board/ flex board.
- I can make footprint for PCB
- I can develop allegro/kicad/altium skill
- ***Software: I am using Allegro, Altium, Kicad, Easy EDA to design....
2. Software developer:
- I can develop some microcontroller such as: STM8/STM32, AVR, Arduino, 8051 (Nuvoton), ESP8266, ESP32...
- ***Software/Compiler: SDCC, KeilC, CCS, Atmel Studio, gcc, Arduino
3. 3D model
- I can build 3D model for PCB footprint, pcb board, enclosure.... assembly board and enclosure
- ***Software: Solidwork, AutoCAD
*** my github link (still building up)
github.com/Vanbatai123
Don't hesitate to contact me, we can discuss to meet your need.
SolidWorks
CAD
Multilayer PCB
Arduino
Printed Circuit Board
EasyEDA
PCB Design
Microcontroller
STM32
Altium Designer
KiCad
Python
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