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I have a machine prototype that is already in the detailed-design phase, but I need an experienced mechanical engineer to push it across the finish line. Before anything else, I’d like to review samples of past work that show how you handle similar projects—especially complex mechanisms taken from CAD through to fabrication-ready documentation and validated by simulation. Once I’m confident we’re a good fit, the assignment breaks down into three concrete deliverables: • 3D modeling – refine or rebuild the current CAD so every component fits, moves, and assembles exactly as intended (preferred platforms are SolidWorks or Fusion 360, but I’m open if you use equivalent professional software). • Technical drawings – create fully dimensioned manufacturing drawings with tolerances, materials, surface finishes, and an exploded-view assembly guide. • Simulation and analysis – run FEA or motion studies to verify structural integrity, kinematics, and safety factors, then recommend any design tweaks the results suggest. I will supply the existing CAD files, design notes, and performance targets. In return, I expect native CAD files, PDF drawing packets, and a concise simulation report that highlights assumptions, boundary conditions, and final safety margins. If your portfolio demonstrates strong work on machine prototypes at a similar stage, let’s get started.
Project ID: 40631339
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33 freelancers are bidding on average $51 USD/hour for this job

With a portfolio that clearly exemplifies my ability to take complex mechanisms from concept to fabrication-ready documentation, I am confident in my proficiency to successfully complete your project. Whether using SolidWorks or Fusion 360 (or their equivalent professional software), I am experienced in refining and meticulously rebuilding CAD designs to ensure each component accurately fits, moves, and assembles, aligning with intended functionality. One of our core strengths lies in managing entire product development processes. This means that alongside the 3D modeling and fine-tuning that your project demands, we are fully capable of providing the technical drawings with comprehensive manufacturing specifications and detailed assembly guides. In addition, we employ both FEA and motion studies as appropriate for design validation, ensuring structural integrity, kinematics, and safety targets are met. So rest assured, you will receive not only native CAD files, but also PDF drawing packages and a concise simulation report outlining assumptions, boundary conditions along with final safety margins. My team's proficiency in managing similar projects throughout the detailed-design process makes us your ideal partner. We don't just design for design's sake; we design with a customer-centric mindset while being mindful of real-world manufacturing limitations.
$50 USD in 40 days
7.0
7.0

Hi there, We understand you are looking for an experienced professional to complete the detailed engineering of your machine prototype, focusing on 3D modeling, technical drawings, and simulation. Our studio specialises in SolidWorks product development and mechanical design, with a strong background in taking complex mechanisms from concept through to fabrication-ready documentation. We have experience refining existing CAD models, creating precise manufacturing drawings with full detailing, and conducting analyses to ensure product integrity and performance. We can assist with the stated scope, working closely with your existing CAD files and design notes to ensure all components fit and function as intended. We aim to provide clear, actionable insights through simulation and deliver the necessary documentation for manufacturing. Please feel free to message us to discuss the project specifics further before finalising the scope and timeline. You can view our profile and past work at https://www.freelancer.in/u/faisal8071. Regards, Ar. Faisal Saif
$50 USD in 5 days
6.8
6.8

Hi, Your project involves much more than just creating a 3D model—it requires developing a detailed, manufacturable machine prototype with proper assemblies, tolerances, and engineering documentation. I can support the complete design process from concept refinement to production-ready CAD. I have experience in: Detailed 3D machine and assembly design (SolidWorks/Fusion 360) Manufacturing-ready 2D drawings with GD&T and BOM Design for machining, fabrication, and 3D printing Motion, fit, and interference checks FEA validation for critical components, if required You'll receive accurate CAD models, STEP/IGES/native files, technical drawings, exploded assemblies, and revision support to ensure the prototype is ready for fabrication. One question: Is the machine concept already defined with sketches, or do you also need assistance with the mechanical design and mechanism development? Best regards, Arati M.
$50 USD in 40 days
6.6
6.6

I'm Muhammad, an experienced CAD expert specializing in 3D modelling and technical design. I've successfully completed projects similar to yours before, executing tasks like revising and refining CAD designs, creating detailed manufacturing drawings, and running FEA or motion studies for structural integrity and kinematics assessments. Therefore, I possess the skillset to take your machine prototype from where it is now to a fabrication-ready state. With my proficiency in SolidWorks and other equivalent professional software plus my professional reputation for delivering high-quality native CAD files optimized for manufacturing, I assure you I'm the perfect fit for this job. My models are precise, organized, and easy to interpret which will make an enormous difference in refining your machine prototype. Additionally, I value open communication throughout the process. I'll submit timely updates to ensure that we're always on the same page. This commitment to transparency will help foster trust as we work together to meet your desired outcome: native CAD files, detailed PDF drawings, and a concise simulation report all showcasing your machine's performance within expected safety margins. Contact me now and let's get started!
$50 USD in 40 days
6.4
6.4

This is exactly the type of mechanical CAD modelling, detailing, and prototype support work I do regularly. I am Irish, now living in the Philippines, with 15+ years of mechanical design and fabrication experience. I work mainly in Autodesk Inventor and AutoCAD, and I am also a qualified metal fabricator, so I understand how to take mechanical assemblies from CAD through to fabrication-ready drawings and practical prototype review. For this project, I can review your existing CAD files, design notes, and performance targets, then refine or rebuild the machine model so the components fit, move, and assemble correctly. I can also prepare detailed manufacturing drawings with dimensions, tolerances, material notes, surface finishes, exploded views, assembly guidance, STEP files, and PDF drawing packs. I can support basic FEA or motion review to check key load areas, moving clearances, interference, and safety margins, then provide a concise report with assumptions, boundary conditions, results, and any recommended design changes. My focus will be practical engineering output, not just clean CAD. I have previous experience with mechanical assemblies, fabrication drawings, machine components, exploded views, brackets, frames, and production-ready CAD packages, and I can share relevant examples through chat once the project is open for discussion.
$50 USD in 40 days
6.4
6.4

With my extensive background in mechanical engineering and my proficiency in various CAD software such as SolidWorks, Creo, AutoCAD and Autodesk Inventor, I am confident and capable of delivering the polished detailed machine prototype that you are seeking. I have spent a decade honing my skills in product design and development across multiple industries including HVAC, automotive bodies, SPM, oil & gas, and food & beverages. Moreover, I have hands-on experience in running FEA and motion studies using Ansys software that will be invaluable in evaluating your machine's structural integrity, kinematics, and safety factors to ensure optimal performance. In addition to these strengths, my grasp on the manufacturing process will enable me to create fully dimensioned manufacturing drawings with tolerances, materials specifications, surface finishes that can be easily understood by fabricators. Additionally, as a design consultant, I understand the importance of communication and collaboration. My past projects have often involved partnering with international clients like those from the USA, Germany and the UK. This has not only broadened my perspective but has also reinforced my commitment to delivering high-quality solutions tailored specifically to each client's unique needs.
$50 USD in 40 days
6.3
6.3

You want the existing CAD refined so every component fits, moves, and assembles exactly as intended, also fabrication-ready documentation and validation by simulation. I use SolidWorks for that kind of detailed machine prototype engineering, building the 3D model first then generating fully dimensioned manufacturing drawings with tolerances and material specifications. I would not propose a full FEA on every part, that adds cost and time for little gain when we can do targeted stress analysis on critical areas once the kinematic model is solid. Preferred Freelancer here, and I have not missed a deadline or gone over an agreed price yet. What is the current state of the kinematic model, is it parametric or a static assembly? Let's do a short call on Freelancer to confirm the deliverables are the 3D modelling and the technical drawings.
$50 USD in 7 days
2.3
2.3

The approach will focus on refining your existing CAD using professional tools to ensure part fit and full assembly functionality. I will generate manufacturing-ready drawings with explicit tolerances, surface finishes, and exploded views for clarity in fabrication. Finite Element Analysis will verify critical stresses and kinematics to promptly identify necessary design adjustments. Deliverables will include native CAD files, detailed PDFs, and a simulation report summarizing key assumptions and safety margins. What specific performance targets or failure modes are most critical for your prototype's validation?
$50 USD in 33 days
2.3
2.3

Patterson, United States
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