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I have a working concept for an outdoor metal device that passively deters rodents—no springs, latches, or any other moving parts. The idea is functionally proven; what I need now is a professional set of CAD drawings and a few thoughtful refinements so the design is ready for a patent application and, ultimately, fabrication. Here’s the scope: • Review my sketch and short write-up, challenge any weak spots, and suggest tweaks that strengthen performance while keeping the device 100 % motion-free. • Create full-scale 3D CAD (STEP or SolidWorks preferred; DXF/DWG for 2D) with clear dimensions, sectional views, and call-outs that meet USPTO drawing conventions. • Provide manufacturing notes (material gauge, welding or fastening points, surface finish) suited to outdoor use in metal. • Supply a concise design-rationale sheet I can reference in the patent specification. Acceptance criteria 1. Drawings import cleanly into SolidWorks/Fusion 360 without errors. 2. Every component is dimensioned; no ambiguity on tolerances critical to fit or rodent exclusion. 3. PDF patent sheets are black-and-white line art, lettering ≥ 0.32 cm, margins intact. If you regularly work on mechanical IP filings and can turn feedback quickly, let’s get started—I’m ready to share the concept the moment we agree on the approach.
Project ID: 40512536
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29 freelancers are bidding on average $1,177 USD for this job

Hello: My name is Gustavo Colin, and I have been working in industrial design using Autodesk Inventor software for over 20 years. I have worked for a leading metalworking company in my country and have served clients in the oil, cement, hydroelectric, thermoelectric, sugar, ceramics, and many other industries. I can help you refine your device and prepare the corresponding technical documentation, including tolerance annotations, surface finish and geometric tolerance specifications, bill of materials, and parts lists. I can deliver files in DWG, PDF, JPG, or any other format you require. My portfolio is my best introduction, showcasing examples of work I have done for various sectors. Regards.
$1,200 USD in 15 days
6.6
6.6

As a multidisciplinary engineer, I offer a unique blend of skills that position me perfectly to meet and exceed your project requirements. With my experience in mechanical design, product development, and manufacturing-ready solutions, I have the capability to create 3D CAD models that are not only dimensionally precise but also take into account real-world constraints such as materials, fabrication methods and cost optimization for outdoor usage. My knowledge of AutoCAD, CAD/CAM, and particularly SolidWorks makes me proficient in generating export-ready documents without any errors. Additionally, my expertise extends beyond pure mechanical design. I have a deep understanding of electronics and software as well. These skills would come in handy during the development of your patent-ready rodent deterrent device as they would allow me to think deeply about how the various components of the system interact with each other and anticipate how these factors could impact the final result. I bring a level of ownership and thoroughness that ensures comprehensive documentation. This includes providing manufacturing notes for outdoor usage in metal such as material gauge, welding or fastening points and surface finish. Lastly, aware of your need for quick turnaround times and line-art patent sheets with legible lettering, I guarantee to deliver on time without compromising on quality or clarity.
$2,500 USD in 25 days
6.5
6.5

Hi, I understand this project requires a patent oriented CAD workflow where the design must not only function mechanically but also communicate the invention clearly through accurate geometry, internal mechanisms, and manufacturable detailing. I can help develop a clean patent ready CAD model with precise technical structure, assembly logic, dimensional consistency, and professional drawings suitable for prototyping, presentations, and patent documentation preparation.
$750 USD in 2 days
6.0
6.0

I can help turn your proven motion-free rodent deterrent concept into a professional CAD and drawing package suitable for patent review and fabrication. I am Irish, now living in the Philippines, with 15+ years of mechanical design experience. I am an Autodesk Inventor specialist and a qualified metal fabricator, so I understand how to turn sketches into accurate, practical metal designs with clear dimensions, material notes, fabrication details, and manufacturing-ready files. For this project, I can review your sketch and write-up, identify possible weak points, suggest refinements that keep the design 100% free of moving parts, and create a full-scale 3D CAD model with STEP/DWG/DXF/PDF outputs. I can include section views, detail views, critical dimensions, tolerances, material gauge, weld or fastening points, and outdoor finish recommendations. I can also prepare clean black-and-white patent-style drawing sheets and a concise design-rationale note that explains the function, material choices, and fabrication approach. Final patent wording and filing compliance should still be reviewed by your patent attorney, but I can make sure the technical CAD and drawing package is clear, accurate, and well presented. I can work from your sketches, reference notes, dimensions, and any preferred fabrication method, then revise quickly based on your feedback.
$1,400 USD in 10 days
6.1
6.1

Having spent years at MAA CAD dedicated to the design and engineering of innovative, functional devices, I can assure you my team and I are more than capable of bringing your patent-ready rodent deterrent to life. Our depth of experience working on mechanical IP filings combined with our proficiency in SolidWorks and 3D CAD modeling leaves us perfectly positioned to meet your needs. We're fully acquainted with USPTO drawing conventions and will deliver detailed, dimensioned drawings ensuring absolutely no ambiguity on critical tolerances. Moreover, our heavy focus on DFM (Design for Manufacturing) aligns with your requirements for manufacturing notes geared towards outdoor use, in metal. We don't just create designs but optimize them for cost-effective fabrication while ensuring their viability for real-world application. Our aim is to develop cutting-edge technologies that improve people's lives and that's exactly what we see in your rodent deterrent concept. To conclude, choosing MAA CAD ensures you're not just getting standard mechanical design services but also a comprehensive full design process that encompasses detailed documentation, visualizations, concept development, rapid prototyping and more. We're eager to share your passion in enhancing the efficacy of existing solutions. Let's get started on rendering your concept into tangible reality!
$1,125 USD in 7 days
5.7
5.7

hi I am a mechanical engineer with 20 years of experience in industrial machine design and a high proficiency in SolidWorks. I am confident in my ability to take your rodent deterrent concept from a preliminary sketch to a professional, patent-ready technical package. Why I am the right fit: Design for Manufacturing (DFM): I specialize in creating robust, manufacturable designs, particularly for outdoor environments. I will ensure the device is optimized for performance and durability. Patent Documentation: I understand the requirements for IP filings. I will provide clear, unambiguous drawings, sectional views, and the strict formatting required by the USPTO. Engineering Rigor: I will analyze your concept for potential weak spots and provide suggestions to enhance performance while maintaining a "motion-free" design. Deliverables: You will receive high-quality 3D models (SolidWorks/STEP), dimensioned 2D drawings (DWG/PDF), manufacturing notes (materials/fastening), and a concise design-rationale sheet for your patent application. I am highly skilled in SolidWorks and AutoCAD and am available to start immediately. I am ready to review your sketch and begin the refinement process. Best regards,
$750 USD in 7 days
2.7
2.7

Browns Valley, United States
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Member since Jun 14, 2026
$250-750 USD
$25-50 AUD / hour
₹1500-12500 INR
₹600-1500 INR
$250-750 USD
$30-250 USD
$500-1000 USD
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£750-1500 GBP
$10-30 AUD
₹1500-12500 INR
£1500-3000 GBP
$23 USD
$750-1500 USD
$8-15 USD / hour
$1500-3000 USD
£20-250 GBP
min $50 USD / hour
$250-750 USD
₹12500-37500 INR