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I am Rhys and I need a compact, hand-held magnetic piston engine built mainly for prototype testing. The focus is on a basic structure that proves the concept is viable rather than on immaculate cosmetic detailing. Metal is the preferred material for all key components so the unit can handle repeated cycles and provide realistic performance data. Here is what I expect: – A fully assembled, self-contained model small enough to sit comfortably in one hand. – Reliable reciprocating motion driven purely by magnetic interaction (no combustion or external power once started). – Simple switching or timing mechanism that keeps the piston cycling so I can observe efficiency and forces at play. – Any quick sketches, CAD files or wiring diagrams you create while developing it so I can iterate later. – Short video or live call demonstration that shows the engine starting, running and stopping. If you have an engineering background and access to basic machining or additive manufacturing for metal parts, this should be straightforward. I am open to suggestions on magnet grades, bearing types, or alternative layouts as long as the final unit meets the size and functionality goals above. Looking forward to seeing how you would bring this miniature magnetic engine to life.
Project ID: 40710801
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57 freelancers are bidding on average £112 GBP for this job

Hello, As an architectural and product visualization expert, I am confident in my ability to transform the concept of your hand-sized magnetic piston prototype into a compelling reality. With proficiency in 3D modeling, 3D printing, CAD/CAM, and product design, I am equipped to create not only the physical model itself but also any necessary CAD files, drawings, or wiring diagrams that may prove valuable to you during the iterative process. In addition to my technical skills, what truly sets me apart is my unwavering commitment to achieving brilliance in every task I undertake. I share your appreciation for precision in design, functionality and aesthetic and understand the primary focus of this project is proving the concept is viable. Moreover, as a dedicated professional, I prudently deliver projects within deadlines while maintaining the highest standards of quality. So let's collaborate and uncover new artistic dimensions of your miniature magnetic engine. It would be an honor to illuminate your unique vision with Art Studio Agency’s expertise. Let's set this mesmerizing journey into motion! Thanks!
£150 GBP in 4 days
7.7
7.7

As an accomplished engineer and CAD designer, I possess the skills to build you a magnetic piston prototype that will not only meet your project's core requirements but achieve them exceptionally well. I'm well-versed in the single most relevant program for this task - Solidworks, which I've used extensively in multiple projects involving designs that needed accurate manufacturing-ready drawing and prototyping. I understand the value of iteration in refining a design, which is why I will provide all CAD files, wiring diagrams, and any other relevant documentation throughout the course of our work together. Moreover, my expertise extends to 3D printing and mechanical engineering, meaning I can create tangible models as per your requirement while ensuring realistic performance data is preserved.
£66 GBP in 1 day
7.6
7.6

With my expertise in 3D modeling, product design and prototyping, I can create the compact, hand-held magnetic piston engine you need. I have access to basic machining and 3D printing for metal parts, making it easier for me turn your concept into a reality. My advanced proficiency with design and development software means I can create CAD files, wiring diagrams and any other necessary documentation that you may require for iteration in future. My diverse skill set also includes your immediate requirements of Graphic Designing, Branding and Web Development and these will be instrumental in merging the aesthetics with practicality in the prototype. My extensive experience from numerous past projects has honed my attention to detail and my ability to deliver projects on time. Finally, let's not overlook my commitment to client satisfaction – it is paramount to me that your needs are met throughout the project. I offer affordable pricing without compromising on quality so you can rest assured that the final output will be both excellent and within budget. Partner with me on this project, Rhys, and together we'll translate your vision into a functional, miniature magnetic engine that surpasses all your expectations!
£80 GBP in 1 day
7.5
7.5

Hi, I'm well-equipped to deliver the compact, metal-built design that’s crucial for this project. My background in Mechanical Engineering, coupled with my skills in CAD/CAM and Solidworks, allows me to create high-quality, production-ready 3D models tailored precisely to your specifications. Additionally, I understand the importance of real-time communication and client collaboration. That's why I propose not just to create a prototype but also provide wiring diagrams and CAD files so you can iterate on the design if needed. Your satisfaction is my utmost priority. In conclusion, by choosing me for this project, you will be getting a combination of technical know-how, creative problem-solving abilities, and a commitment to exceeding expectations. Let's collaborate and bring your magnetic engine idea from mere concept to tangible reality that works faithfully giving reliable performance data!
£120 GBP in 1 day
6.9
6.9

Dear Sir, I have extensive experience in mechanical product development, compact mechanisms, 3D CAD, prototyping, and functional assemblies. I can help develop your hand-sized magnetic piston prototype with the focus on proving the mechanism and obtaining useful performance data rather than unnecessary cosmetic detailing. I can design the piston, cylinder, magnetic arrangement, guides, bearings, timing/switching mechanism, and supporting frame as a compact self-contained assembly. I’ll evaluate magnet placement, polarity, air gaps, reciprocating travel, alignment, friction, and mechanical stops to achieve reliable cycling and make the prototype practical for repeated testing. I can also recommend suitable magnet grades, bearing types, materials, and manufacturing methods based on the required forces and dimensions. During development, I’ll provide the relevant CAD models, sketches, mechanism details, and wiring/control diagrams needed for future iteration. Best Regards Ivy
£100 GBP in 2 days
6.8
6.8

As someone with a passion for engineering and product development, I find your hand-sized magnetic piston project truly fascinating. My 12+ years of experience in mechanical engineering and manufacturing, coupled with my proficiency in CAD / SolidWorks and other relevant software, uniquely position me to bring this prototype to life. Moreover, with my background in parametric CAD, I can iteratively design the prototype as needed, providing you with invaluable files for future development. Creating a fully assembled unit that fits comfortably in one hand and operates purely by magnetic interaction is an exciting challenge. Fortunately, I have an extensive array of experience that encompasses mechanisms, assemblies, enclosures, industrial equipment design - all skills that can greatly contribute to this project. What's more, I am well-versed in designing for manufacturing and assembly while still ensuring exceptional functionality of the final product. One of the aspects that sets me apart is my commitment to clear communication and thoroughness in technical deliverables. Your project will not only benefit from highly-detailed CAD models developed from your sketches, but also from comprehensive documentation including bills of materials and assembly instructions. With me on board, you'll receive a miniature magnetic engine that accomplishes the performance goals you've set out and enables further iterations efficiently. Let's embark on this exciting journey together!
£200 GBP in 2 days
6.7
6.7

Building a functioning magnetic piston engine entails a sophisticated understanding of both mechanical and electrical principles. Drawing from my considerable experience in 3D modelling, printing, and CAD/CAM; I'm more than capable of delivering the compact and reliable prototype you seek. On top of offering you a fully-assembled model that provides efficient reciprocating motion via magnetic interaction, I commit to providing any additional diagrams or files crucial to your future iterations. Given the desired compactness and stress endurance, I suggest exploring magnet grades and bearing types conducive to your goals. My competence in Solidworks makes this an achievable task not to mention my comprehension of key metals best suited for realistic performance data capturing. I am confident that with your input and my expertise, we could create an impressive miniature magnetic engine. I eagerly await the opportunity to undertake this project with you, where we could share frequent updates via live demonstrations or informative videos. Together, we can refine this concept into a functional reality.
£35 GBP in 1 day
6.4
6.4

Hello Rhys, Your hand-sized magnetic piston prototype needs a practical proof-of-concept, not cosmetic overengineering, and I can develop the compact mechanism around repeatable reciprocation and measurable performance. I will translate the magnetic layout into 3D Modelling and CAD / SolidWorks, using Solidworks to define the piston, guides, bearing interfaces, magnet clearances, timing or switching mechanism, and metal-ready components. I will provide the assembled design, supporting sketches and diagrams, then help validate motion, force behavior, and iteration priorities through a concise demonstration. We can begin by locking the target hand-held envelope, magnet constraints, and preferred fabrication route, with the first mechanism layout ready for review promptly. What starting method and maximum hand-held dimensions should the switching mechanism and magnetic cycle be designed around? Best regards, Sahil
£20 GBP in 1 day
6.5
6.5

Hello, I have extensive experience with compact mechanical prototypes involving magnetic actuation, reciprocating mechanisms, bearings, timing systems, and machined metal components. I’ve developed functional proof-of-concept mechanisms where force, travel, friction, cycle timing, and repeatability are more important than cosmetic detailing. I’ll develop a hand-held magnetic piston mechanism with carefully positioned magnets, guided reciprocating motion, low-friction bearings, and a simple timing arrangement for controlled testing. One important engineering point is that permanent magnets alone cannot provide continuous net energy indefinitely, so the prototype will be structured to demonstrate the magnetic drive principle and accurately measure forces, losses, and cycle behavior rather than claim perpetual operation. I’ll provide the CAD, development sketches, mechanism details, and a practical prototype suitable for machining or metal additive manufacturing. Regards.
£50 GBP in 2 days
6.0
6.0

Hello I am an experienced CAD/CAM designer specializing in CATIA, SolidWorks, and AutoCAD, with over 10 years of professional freelance and teaching experience. I excel at transforming 2D plans into precise, detailed 3D models, creating accurate assemblies, parts, and visualizations ready for manufacturing or prototyping. With my expertise in Part Design, Generative Shape Design (GSD), Drafting, and Assembly Design, I deliver high-quality, production-ready models in STL, STEP, OBJ, or FBX formats. I am detail-oriented, efficient, and committed to exceeding client expectations. You can view my portfolio here: https://www.fr.freelancer.com/u/mouniridmed Best regards, Mounir
£103 GBP in 2 days
5.8
5.8

With over 10 years of experience in the 3D modeling and printing industry, my name is Usman, and I am confident I have the skills and expertise to bring your magnetic piston prototype to life. In particular, my extensive knowledge of mechanical engineering and proficiency in CAD software such as SolidWorks give me a unique edge. I can generate high-quality, optimized designs for your hand-sized engine that are producible with metals through CNC or additive manufacturing. Moreover, I am proficient in using various materials for 3D printing including metal-based ones like PLA, ABS, Nylon, etc. This signifies that I have the resources and the technical know-how to choose magnet grades and bearings that will align best with your project parameters. My history of delivering dimensionally precise and print-ready models ensures that I will satisfy your need for not only a functional prototype but also any design documentation you might require. Lastly, by choosing me, you're not only gaining access to my technical proficiency but also my eagerness to communicate and iterate until we achieve the precise functionality you seek. Let us collaborate to furnish a detailed proof-of-concept model for your magnetic piston engine project that goes beyond just mechanics
£27 GBP in 2 days
5.6
5.6

Hi, At Vutuk Design and Media, we bring over 15 years of core mechanical engineering, precision prototyping, multi-body kinematics, and technical visual media expertise. Our engineering team develops compact functional prototypes—combining high-precision DFM CAD modeling with photorealistic 3D renders and exploded assembly animations for investor demos and production teams. To help us scope your prototype engineering needs accurately: Do you have specific magnet sizes/grades (e.g., disc or ring magnets) selected, or should we define magnet specs in the CAD model? What are the key outer housing size limits (length, diameter) to ensure comfortable single-handed operation? Will the piston operate dry with self-lubricating polymer sleeves, or require sealed internal chamber rings? Would you like photorealistic 3D product renders or high-resolution exploded view animations created for patent/pitch decks? We invite you to visit our profile and portfolio page to evaluate our past prototype engineering and 3D visual showcases. Let's discuss your project! Best regards, Vutuk Design and Media
£135 GBP in 7 days
5.6
5.6

Greetings, Rhys! I'm Sumit Kumar, a seasoned freelance 3D artist and mechanical engineer with particular expertise in CAD and 3D modeling. I've executed numerous successful projects similar to yours, ranging from mechanical prototypes to product designs. I possess a wealth of knowledge and understanding regarding the materials, techniques, and design considerations necessary for creating durable compact engines such as the one you require. My proficiencies in SolidWorks, CAD/CAM, and 3D printing give me the ability to bring your thoughts to life with excellent precision and creativity. Throughout the entire process of constructing your magnetic piston engine prototype, I'll make sure to provide you with all the relevant files including detailed drawings, wiring diagrams, and any other document that empowers you for future iterations. In conclusion, hire me for an immaculate blend of comprehensive experience in your unique project requirements and top-notch engineering proficiency. Let's turn your hand-sized magnetic piston engine prototype concept into a tangible reality together!
£45 GBP in 1 day
5.4
5.4

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 Hand-Sized Magnetic Piston Prototype and how to approach it effectively. You can also see similar work on my portofolio. Looking forward to hearing from you. Best regards, Juli
£80 GBP in 1 day
5.1
5.1

As a specialist in 3D modelling, I am confident that I can bring your imaginative concept of a hand-sized magnetic piston engine to life. With over five years of experience transforming ideas into tangible realities, I possess the skills and knowledge necessary to craft a fully assembled, self-contained model that meets your needs. My expertise in 3D printing and modelling ensures that not only will the design be visually stunning but also optimized for printing and structurally robust for functional testing. Working with SolidWorks, I have considerable expertise in creating precise models suitable for both machining and additive manufacturing, making me your ideal candidate for this project. By collaborating closely with you, my client, I will ensure every detail aligns with your unique vision: from the magnet grades and bearing types to the switching mechanism and overall layout. Additionally, I prioritize clear communication and transparent collaboration. This means producing detailed diagrams, wiring charts, CAD files, all aimed at streamlining the iteration process and ensuring you're well-informed throughout the development phase. And when it's time for delivery, expect a short video demonstration documenting each crucial step from start-up to cycle completion. As we partner on this project, I promise unwavering commitment to bringing your miniature magnetic engine to life reliably and in line with your expectations.
£45 GBP in 7 days
4.7
4.7

I can help develop the compact magnetic piston prototype with a practical focus on testing the mechanical concept, clearances, magnet placement, reciprocating mechanism and ease of assembly. I work primarily with Fusion 360 and can create the detailed CAD for the piston, housing, guides, mounts and other mechanical components, with the design sized around your hand-held requirement and suitable for prototyping. I can also provide the CAD files, assembly layout and development sketches needed for further iteration. During development, I can evaluate different magnet arrangements, bearing options and mechanical timing approaches to improve the reciprocating motion. One important point is that a continuously cycling system cannot produce sustained motion purely from permanent magnets without an external energy input, so I would design the prototype around a physically achievable operating principle rather than making an unrealistic performance claim. I’m ready to review your initial concept and develop the first CAD layout.
£75 GBP in 1 day
4.6
4.6

Dear Rhys, I can develop a compact hand-held magnetic piston prototype focused on proving the mechanism, measuring forces, and creating a design you can iterate on later. I would approach this as a practical engineering prototype using machined or metal-printed components, suitable bearings, guides, and replaceable magnet mounts. One important point is that permanent magnets alone cannot sustain continuous reciprocating motion indefinitely without an external energy source or switching input, so I would design the concept around a realistic magnetic actuation and timing method that can be tested properly. Deliverables can include the assembled CAD model, individual part files, exploded views, basic wiring/control diagrams if required, magnet and bearing recommendations, and manufacturing drawings suitable for prototype fabrication. I work with SolidWorks and Fusion 360 and can develop a first proof-of-concept layout before refining the hand-held form. THE CALIFORNIA STUDIO
£20 GBP in 1 day
4.5
4.5

Hello Rhys, your magnetic piston engine prototype is an interesting concept. I can help develop the mechanical 3D design with a compact, hand-held form factor, focusing on the piston, housing, bearings, magnet placement, clearances, and assembly. The design can be developed with prototyping and manufacturability in mind, while keeping the structure simple enough for testing and iteration. I can also provide the CAD files, assembly details, and supporting sketches developed during the process. Before finalizing the design, I would like to review your preferred dimensions, magnet specifications, and the exact operating concept so the mechanism can be designed accordingly. I can also work with an engineering/machining workflow to ensure the final design is practical to prototype and test.
£60 GBP in 1 day
4.2
4.2

Hi Rhys, I can help develop your compact magnetic piston engine as a practical prototype focused on proving the concept and measuring real performance rather than unnecessary cosmetic detailing. I’ll design the piston, cylinder, magnetic arrangement, timing/switching mechanism, bearings and supporting components as a compact self-contained assembly that can comfortably fit in one hand. I’ll focus on reliable reciprocating motion, minimizing friction and carefully balancing the magnetic forces so the mechanism can be tested repeatedly. Where appropriate, I can recommend suitable magnet grades, bearing types and a simple layout that is realistic to manufacture using metal parts and additive manufacturing. During development I can provide the CAD files, sketches and mechanism details needed for future iterations. I’ll also make sure the final assembly is practical to test and demonstrate, with clear documentation of how the system starts, cycles and stops.
£45 GBP in 1 day
4.5
4.5

I am interested in working on your Hand-Sized Magnetic Piston Prototype project and can develop a compact, functional, and reliable mechanical design based on your specifications. I can focus on achieving smooth piston movement, effective magnetic interaction, appropriate dimensions, and a practical overall structure while keeping the prototype easy to assemble and test. My approach will include concept development, mechanical calculations, component selection, and detailed 3D CAD modeling. I will carefully consider magnet positioning, piston and cylinder tolerances, friction, alignment, sealing requirements if applicable, and material selection to ensure consistent movement and dependable prototype performance. I can provide detailed CAD models, technical drawings, assembly documentation, and fabrication-ready files as required. I will work closely with you throughout the development process, incorporate feedback efficiently, and refine the design through testing to deliver a compact hand-sized magnetic piston prototype that meets your functional and design goals.
£150 GBP in 3 days
5.3
5.3

Worcester Park, United Kingdom
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Member since Nov 21, 2013
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