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# 3D CAD Designer Needed for LEGO-Compatible Models with Electronics Integration We are looking for an experienced **3D CAD designer** to design innovative **LEGO-compatible models** that can integrate electronic or electrical components. ## Project Requirements * Create high-quality 3D models compatible with LEGO dimensions and building standards. * Design parts that can accommodate electronic or electrical components such as: * Arduino * ESP32 * Raspberry Pi Pico * DC motors * Servo motors * Sensors * LEDs * Batteries and battery holders * Switches and connectors * Ensure all parts are optimized for **3D printing** (FDM printing preferred). * Produce clean, parametric CAD models (Fusion 360, SolidWorks, or Onshape preferred). * Design parts that are strong, easy to assemble, and reusable. ## Deliverables * Native CAD files. * STEP (.step) files. * STL files ready for 3D printing. * Assembly files and exploded views (if applicable). * Basic documentation with dimensions and assembly instructions. ## Ideal Candidate * Strong experience in mechanical CAD design. * Experience designing **LEGO-compatible** parts or modular construction systems. * Knowledge of electronics integration into mechanical assemblies. * Experience with 3D printing design guidelines. * Attention to detail and good communication skills. ## Long-Term Opportunity This is the first project of an ongoing collaboration. We regularly develop educational robotics and STEAM products, and successful freelancers will have the opportunity to work on many future projects. When applying, please include: * Portfolio of similar projects. * CAD software you use. * Experience with LEGO-compatible designs. * Estimated timeline for completing the project.
Project ID: 40593142
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61 freelancers are bidding on average $123 USD for this job

With over two decades of experience in providing high-quality **CAD, CAM, and CAE services**, our team at KALP is thrilled to explore the potential of LEGO-compatible models with electronics integration. We're well-versed in a variety of CAD software including Autodesk, Solidworks, Pro e, Creo, ansys, solidedge and have an exceptional skill set when it comes to **3D modelling** and **3D printing** - both crucial components for this project. One of our key strengths is **attention to detail**. We understand the significance of producing models that are not only compatible but also strong, easy to assemble, and reusable. Moreover, we have substantial exposure to electronics integration into mechanical assemblies. This includes working with Arduino, ESP32, Raspberry Pi Pico; DC and servo motors; sensors; LEDs and other relevant components you mentioned. Lastly, we believe in making long-term commitments and our work ethic aligns splendidly with your plans for ongoing projects in educational robotics and STEAM products. Our excellent reputation in the field is a reflection of our dedication to quality service delivery. We look forward to sharing our detailed portfolio with you and discussing timelines for successful completion of this project to facilitate seamless communication throughout the process.
$140 USD in 7 days
9.0
9.0

Hello, I am a design engineer, I am expert in 3D different products designs & Modeling so i can do the required design in the required time. I have finished similar projects before and finished 600+ projects. Please check my portfolio and reviews. Thanks.
$175 USD in 3 days
8.6
8.6

As an experienced mechanical designer with 9 years in the field, I have honed my skills to align with your project requirements perfectly. My expertise in 3D CAD design, especially in industry-leading software such as Fusion 360 and Solidworks, ensures that I am well versed in producing high-quality, parametric models like those you need for LEGO-compatible designs. Having a strong inclination towards innovation and functionality, I have successfully designed similar models integrating various electronic components like Arduino, ESP32, Raspberry Pi Pico, DC motors etc., which is crucial for your project's success. With a deep understanding of 3D printing technologies and materials, I can optimize the models for FDM printing ensuring they are not only reusable, but also conducive to incorporating the desired electronics. Having a long-term vision like yours is something that excites me. Considering my vast experience in designing such educational robotics and STEAM products coupled with my attention to detail and efficient communication skills, I believe I am the ideal candidate for this project. My commitment to delivering on time without compromising quality ensures not just satisfactory project completion but also a fruitful ongoing collaboration. I look forward to showcasing the best of my abilities on this project and many more future ones.
$120 USD in 2 days
8.4
8.4

Hi I am an embedded systems engineer with over 16 years of experience designing products where mechanical parts, electronics and manufacturability have to work together. This LEGO-compatible robotics/STEAM work is a good fit for me because I have designed 3D printed enclosures, modular mounts, sensor/motor brackets, battery compartments and consumer-grade assemblies from concept through prototype and production support. I can create clean parametric CAD in Fusion 360/SolidWorks, export native/STEP/STL files, and design around real boards such as Arduino, ESP32, Pico, motors, servos, LEDs, switches and connectors while keeping FDM tolerances, strength, assembly and reusability in mind. For LEGO compatibility I would first confirm the target brick/grid dimensions, connection style, print material/nozzle size and the exact electronics modules, then deliver print-ready parts with basic assembly notes and exploded views where useful. Similar product/CAD work cannot be shared publicly, but I can show relevant examples privately. A few questions: is the first scope one complete model or a set of separate LEGO-compatible adapter parts, and do you already have the electronics dimensions or should I work from common module sizes? Please contact me to discuss details.
$240 USD in 8 days
7.6
7.6

As an experienced and versatile 3D CAD designer, my speciality revolves around both mechanical engineering and architectural designs. This has allowed me to develop unique insights into how construction systems work, with a strong emphasis on compatibility and modularity. My extensive familiarity with software such as ArchiCAD, Rhino, Rhino grasshopper, Solidworks, AutoCAD, and Blender will be instrumental in delivering the high-quality LEGO-compatible designs your project requires. Moreover, my affinity for electronics integration has been honed through numerous past projects that involve sensors, motors, LEDs, and batteries - all elements that parallel this endeavor. A noteworthy aspect of my skill set is my ability to optimize parts for 3D printing while maintaining strength and build feasibility. Since FDM printing is preferred, I ensure all designs meet the appropriate printing guidelines. In conclusion, my proficiency in 3D CAD paired with a deep understanding of LEGO-compatible designs & electronics integration makes me a top contender for your project. Furthermore, my attentiveness to detail enables me to create reusable components that are easy to assemble - a core requirement for educational robotics such as this. With hope for a long-term collaboration with your team, I am looking forward to integrating creative designs into the educational robotics served up by your organization!
$120 USD in 2 days
7.8
7.8

As a dedicated 3D designer with solid experience in various industry-standard software such as 3ds Max, Solidworks and Fusion360, I believe I can bring immense value to your LEGO-compatible models project. My background in creating intricate models for 3D printing, combined with my understanding of electronics integration, make me a great fit for this job. What sets me apart from other freelancers is my extensive understanding of LEGO standards alongside my keen eye for detail. I've had hands-on experience creating designs for compatible parts and modular construction systems. Your project's requirement for clean parametric CAD models that are strong and easy to assemble perfectly match my area of expertise.
$150 USD in 7 days
7.7
7.7

With over a decade of experience in the 3D design realm, I can confidently assure you that I am the ideal candidate for your LEGO model project. My skills revolve closely around mechanical CAD design, which adequately aligns with your requirement for a professional with expertise in creating LEGO-compatible parts and integrating electronics into mechanical assemblies. I have a knack for transforming ideas into clean and parametric CAD models using Fusion 360, SolidWorks, and Onshape, guaranteeing that all my designs are of top-notch quality and easy to reproduce using 3D printing technology. My suitability is further bolstered by my familiarity with 3D printing design guidelines and the creation of high-quality STL files for FDM printing. I fully comprehend the importance of optimum part optimization for flawless integration with Arduino, ESP32, Raspberry Pi Pico, motors, sensors, LED lights - to name only a few. Rest assured my designs will be strong, efficient, reusable, and cater precisely to your specifications.
$60 USD in 1 day
7.5
7.5

Hi there, Your brief for LEGO-compatible parametric models built to accommodate electronic components like Arduino, ESP32, sensors and motors, and optimised for FDM printing, is an interesting one and sits well within our product design and mechanical CAD capabilities. We work in clear staged steps with a review round, from initial concept and dimensional planning through to print-ready and assembly-ready files, so functional fit with the electronics and the modular building standard can be checked along the way. TRYGVE Studio specialises in Architectural, Engineering and Interior Design services, with a strong portfolio in modern residential work and proficiency in Revit, AutoCAD, 3ds Max, SketchUp and Solidworks, and we also take on mechanical/product CAD assignments like this one. Since the exact number of parts, component sizes and file format needs will shape both timeline and price, it would help to discuss the scope briefly before finalising terms. Feel free to message us on https://www.freelancer.in/u/faisal8071 so we can align on details. Regards, Ar. Faisal Saif
$150 USD in 3 days
6.8
6.8

Welcome I MADE MANY SMART DEVICES THAT MANUFACTURED AND USED IN REAL YOU WILL GET IT DONE PERFECTLY IN LESS TIME CHECK MY LATEST REVIEWS > (http://www.freelancer.com/u/ENG1mga) I have previously worked on, Lifting Set of Drones Mechanism, Robotic Arm, Delivery Robot, Automatic Wiring Machine, Solenoid Engines, Car Rooftent, Boat Lift Mechanism, Shoe Treadmill Mechanism Mechanical Ventilator and many other projects. I use Solidworks, Fusion 360, and ANSYS, COMSOL I have a workshop specializing in all 3D printing and CNC machining work, so I strive to provide the highest quality and precision. What you will receive with me: - 2D drawings - 3D files - Complete Tech. Formats - Finite Element Analysis (FEA) (if needed).
$200 USD in 1 day
6.8
6.8

Hello there , I’ve carefully checked your requirements and really interested in this job. I’m working as a freelance graphic designer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I have rich experienced in 3D CAD, Product Design, Electronics, 3D Printing, Solidworks, CAD/CAM, Arduino, Mechanical Engineering, Fusion 360 and 3D Modelling. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Thanks
$30 USD in 1 day
6.4
6.4

As a seasoned **3D CAD designer** with extensive experience in various design softwares including Fusion 360 and SolidWorks, I would be an ideal fit for your LEGO-compatible modeling project. My portfolio showcases my proficiency across all your project requirements: **mechanical CAD design**, **electronics integration**, and creating designs that are optimized for **3D printing**, all of which empowers me to take up this challenge with confidence. In line with your long-term vision, my vast experience also includes work on similar projects that embrace modular construction systems like LEGO. This exposure ensures I not only understand the exact specifications but also have the acumen to develop parts that are strong, easy to assemble, and reusable - qualities every LEGO model must possess. Moreover, having an end-to-end approach, I can even help you with assembly files, exploded views when needed along with clear documentation on dimensions and assembly procedures.
$35 USD in 1 day
6.4
6.4

Hi! I design FDM-ready mechanical parts in Fusion 360 regularly, including enclosures for ESP32 and electronics components with precise fitment. Check my Freelancer profile for examples of similar work. I work in Fusion 360 and can design LEGO-compatible parametric parts with mounting points for Arduino, ESP32, Raspberry Pi Pico, motors, sensors, and connectors, all optimized for FDM printing with proper tolerances and wall thickness. What is the first set of components you need designed?
$140 USD in 7 days
5.4
5.4

Designing LEGO-compatible parts that remain dimensionally accurate while securely housing electronics is the key challenge here. The tolerances, printability, and assembly all need to work together without compromising compatibility. I would approach the project by first defining the dimensional standards and electronics packaging requirements, then creating fully parametric CAD models optimized for FDM printing. Each component would be checked for structural strength, ease of assembly, and reusability before generating production-ready files. If assemblies are involved, I will also prepare exploded views and clear documentation. My background includes mechanical product development, parametric CAD design, robotics, and 3D-printable mechanisms using SolidWorks. I also have experience integrating components such as ESP32 modules, Arduino boards, motors, sensors, LEDs, and battery holders into functional mechanical assemblies. Deliverables include native CAD files, STEP, STL, assembly files, exploded views where applicable, and concise assembly documentation. The current scope includes up to two revision rounds. Additional features or new components can be quoted separately. No physical fabrication or testing is included unless agreed in advance. The final schedule will be confirmed after reviewing the complete requirements. Could you share how many unique LEGO-compatible parts are expected in this first phase and whether you already follow a specific LEGO dimensional standard?
$95 USD in 2 days
5.5
5.5

As a seasoned 3D Modeling & Printing Specialist, empowered by an extensive acknowledgement over the entire design-to-manufacturing workflow, I bring the ideal proficiencies and expertise for your LEGO project. My long-standing domain experience in mechanical CAD design includes working on several projects that involved designing LEGO-compatible parts or modular construction systems. In addition, I hold ample knowledge about electronics integration into mechanical assemblies and have been using Fusion 360 extensively for CAD designing. My complete command over various 3D printing technologies such as FDM, SLA, and DLP complement perfectly with your requirements. I am well-versed with PLA, PETG, ABS, TPU, Nylon, and Resin materials ensuring designs that are tailored specifically for performance precision and durability. This directly translates into my ability to design 3D interactive models that can seamlessly integrate with Arduino, ESP32, Raspberry Pi Pico, motors, sensors, LED batteries etc., – precisely what you need in this project.
$49 USD in 2 days
5.3
5.3

Hello, I reviewed your requirements, and the key challenge is designing LEGO-compatible parts that preserve dimensional compatibility while providing reliable mounting, cable routing, and structural support for electronic components without compromising printability or modularity. The CAD models should be fully parametric, optimized for FDM printing, and engineered so assemblies remain durable, reusable, and easy to expand across future educational robotics products. I have worked on similar mechanical CAD and 3D printing projects and can share relevant examples, including modular assemblies, once we connect in chat. Also a quick question, will the custom parts need to interface directly with official LEGO elements using standard stud and tube geometry, or are slight tolerance adjustments acceptable for improved 3D print performance? Best Regards, Muskan
$30 USD in 1 day
5.1
5.1

Coming from a broad background encompassing graphic design, 3D modeling, and animation, I bring a unique skill set to the table. I may be new to the platform, but I guarantee I am not new to delivering precise, creative work with an effective timeline. I also have knowledge of several software packages including Solidworks, making me adaptable and quick to provide exactly what you need for your LEGO-compatible parts design project. My engineering understanding has been enhanced by positive experiences in PCB and PLC programming, along with the capability for data input and analysis facilitating better end-results.
$33 USD in 2 days
5.3
5.3

Hi, I'm Juli, a 3D design specialist. I've read your job description and I’m confident I can help. I have solid experience with SolidWorks, Fusion 360, and rendering tools like KeyShot. I focus on precision, fast delivery, and clear communication. I understand the requirements of 3D Designer Needed for LEGO-Compatible Models and how to approach it effectively. You can also see similar work on my portofolio. Looking forward to hearing from you. Best regards, Juli
$60 USD in 1 day
5.0
5.0

Hi there, Are you looking for someone to create LEGO-compatible CAD models with electronics integration? I can design parametric parts for Arduino, ESP32, Raspberry Pi Pico, motors, sensors, LEDs, batteries, and connectors, delivering native CAD, STEP, STL, assembly files, and documentation. I have experience in 3D modeling using 3ds Max, Blender, Maya, and Revit. I can create product models, jewelry designs, or any custom 3D work with high-quality results. You can view my previous work here: https://www.freelancer.com/portfolio-items/10401693-3d-costume-hoodie-render https://www.freelancer.com/portfolio-items/10388215-3d-product-models (All Types of 3D Products & Prototypes) Thanks & Regards, Humayo.
$60 USD in 3 days
5.1
5.1

As an experienced 3D CAD designer with a specialization in Fusion 360, I bring the perfect blend of skills and passion to your LEGO-compatible project. My portfolio of projects features numerous designs that align perfectly with your requirements, showcasing the ability to integrate Arduino, Raspberry Pi, motors, sensors, LEDs, and more into 3D models. Specifically, I have impressive experience designing LEGO-compatible parts and modular systems. Furthermore, my proficiencies are not limited to just design; I provide comprehensive services including but not limited to producing robust 3D printing models optimized for FDM printing. Having keenly worked on dimensional compatibility, assembly efficiency, and ease of reusability in previous projects aligns me very well with your unique needs. Pledging commitment to attention to detail and timely delivery, engaging my services guarantees you receive nothing short of professional excellence in all deliverables as I am fueled by the satisfaction of my clients. Let's embark on this exciting journey together – a collaboration that holds potential for bigger challenges of STEAM products creation present in your futuristic pipeline.
$100 USD in 1 day
3.9
3.9

I am a Mechanical Engineer Worked in MNC as Automobile Jigs and Fixture Designer. Exp in Design For Manufacturing principles and Eng Drawings. Did more than 22 projects on Freelancer. 1)Catia -Assembly & Simulation of robotic arm Ansys Apdl 2)Analysis of 5 structr includng an igs file 3)Analysis of Rectangular sheet with U-Notch & compared reslt w/h roark's formula Solidworks 4)Editng & Assembly of Pill Dispensr & its prts 5)Design, Assembly, 2d draft & Renderng of Breedng Box 4 Parrots 6)Design the mould die 4 an MS sheet metal ring. Sorcd the ring. 2d drafts & 3d model 7)Design & FEA analysis of the die & punch 4 a givn bathtub. Design calcs done 2 find the blank holdr force & Max drawing force which were used 2 find paramtrs of die & punch & sheet metal. Bathtub was modified accordingly. 8)3d Dsign with 2d drafts of a Scientific (soil testing apparatus) 9)Motion analysis of a Garage door. Researchd $ formulated equatns. Engg desgn calcs, 4 selectn of sprng & motr,& Force supplied by torsion spring, & torq reqrd by the motor 10)Design of 12 beads into 3d model frm 2d pdf 11)Prepd BOM & fabricatn drawing Creo 13)Assembly of parts Used Reverse Engineering module & used sketch tracer module. So it will be possible to load jpg files into the software & construct 3d surfaces & models Cad files conversion, so can provide stl,step,igs,pdf,jpg,dwg,,3mf,parasolid,sldprt,catprt 3mf,stl,step,igs are 3d printing formats
$120 USD in 3 days
4.0
4.0

colonel othman chabat elham, Algeria
Member since Sep 5, 2021
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