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This project involves creating a full set of naval-architectural plans for a recreational rigid inflatable boat whose hull will be fabricated entirely from HDPE sheets and pipe. I already have overall length and beam targets in mind; what I need now is your expertise to refine the shapes, scantlings and assembly details so the builder can move straight into production. The brief • Material: high-density polyethylene (not aluminium or GRP) • Look and feel: modern, stylish lines that stand out at the marina • Use case: day-cruising and water-sports, so ride comfort and dry decks are important What you will deliver 1. Hull form development with hydrostatic and resistance calculations 2. Structural drawings showing HDPE plate thicknesses, internal framing and welding methods 3. 3D model (Rhino, SolidWorks or similar) that the cutter can use for nesting 4. Weight estimate and preliminary stability booklet 5. Assembly notes that highlight any HDPE-specific bending or extrusion constraints Send over examples of past RIB or HDPE craft you have taken from concept to yard drawings; I will shortlist based on the relevance and quality of that portfolio. Questions about dimensions, engines or deck layout are welcome once we connect—those details can still be tuned to maximise performance while keeping the design eye-catching.
Project ID: 40593732
32 proposals
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Active 4 days ago
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32 freelancers are bidding on average $7,078 AUD for this job

As an experienced multidisciplinary engineering team, my colleagues and I at MHTechFusion, have the perfect blend of skills to bring your project to life. We have a long-standing history of transforming design ideas into practical, manufacturable, and scalable products, using modern CAD tools and robust engineering principles - exactly what you need for creating a naval-architectural plan for the HDPE RIB hull. Our forte lies in system level-designing catering to precise mechanical assemblies with tight tolerances; exactly what is needed for your high-density polyethylene boat. Furthermore, we excel in designing modern, stylish lines - ensuring that your RIB stands out in any marina while catering to the comfort and functionality requirements necessary for day-cruising and water sports. With our focus being on developing solutions that work reliably in real-world conditions, not just on design, we assure you not just a visually eye-catching design but exactly what your customer will love. Regardless of whether it's Rhino, SolidWorks or alike, every design we make is prototype-ready.
$7,500 AUD in 30 days
7.0
7.0

Hi, I would bring much value to your HDPE RIB hull design project. Firstly, my extensive expertise in 3D modeling with programs such as Rhino and SolidWorks precisely aligns with the need for a detailed, accurately-optimized digital drafting process. This is a crucial aspect of the project as it impacts the subsequent production stages. Secondly, I recognize the specific demands of working with HDPE and have produced several high-quality 3D models for crafts using this material. Rendering modern, stylish lines is also a forte of mine which ensures that your boat will stand out at any marina while still retaining a functional appeal. Additionally, I will meticulously incorporate hydrostatic calculations to ensure optimal ride comfort and dry decks—crucial aspects for your day-cruising and water sports-oriented vessel. Lastly and perhaps most importantly, my commitment to professionalism means that I prioritize clear communication, adaptability, and client satisfaction. Beyond simply meeting your expectations, I promise to not only meet but exceed them by delivering flawlessly executed 3D models that make a difference to your project.
$7,500 AUD in 1 day
6.6
6.6

Hi, I am excited to submit my proposal for the design of your HDPE rigid inflatable boat (RIB). With expertise in marine mechanical design, structural engineering, and Design for Manufacturing (DFM), I can develop a production-ready design optimized for performance, manufacturability, and durability. Starting from your target length and beam, I will refine the hull geometry to achieve a stable, dry-riding, and efficient vessel suitable for day cruising and water sports. The design will account for the unique properties of HDPE, including welding methods, thermal expansion, bending limits, plate stiffness, and fabrication constraints to ensure reliable construction and long service life. Deliverables include: Hull form development with hydrostatic and resistance analysis Structural design with HDPE plate thicknesses, framing, and welding details Complete 3D CAD model (SolidWorks/Rhino) with cutter-ready geometry Weight estimate and preliminary stability assessment Assembly drawings and HDPE fabrication guidelines Manufacturing documentation for efficient production My background includes complex mechanical assemblies, fabricated structures, and production-ready CAD for CNC manufacturing. I focus on creating designs that balance performance, aesthetics, and ease of fabrication while minimizing production costs. Best regards,
$15,000 AUD in 30 days
6.5
6.5

Hi there! We can develop a robust HDPE RIB hull design optimized for structural integrity, stability, and manufacturability while meeting your required performance criteria. Careful attention to hull geometry, buoyancy distribution, transom design, tube integration, and HDPE welding considerations is essential to achieve a durable, efficient, and seaworthy vessel. Our team specializes in marine product design, 3D CAD modeling, structural engineering, and manufacturing documentation, delivering production-ready models and detailed fabrication drawings. ✅ What are the target vessel dimensions, payload capacity, and intended operating conditions? ✅ Do you require hydrostatic calculations, stability analysis, or only the complete CAD design? ✅ Which deliverables are expected—3D CAD model, construction drawings, cut files, BOM, or all of these? Check portfolio: www.freelancer.com/u/rvwebfreelancing/mech We will answer all questions and ensure a professional, smooth project process. Ready to begin. Buildtrix Studio
$5,100 AUD in 7 days
6.6
6.6

As a naval architect, I understand the importance of finely-tuned design in achieving optimal seaworthiness and performance. The use of HDPE hulls in recreational boats is a growing trend, and my extensive experience working on similar projects gives me a clear edge for this job. I can provide you with not just a full set of naval-architectural plans for your rigid inflatable boat, but also the ability to optimize your design to make it stylish while ensuring ride comfort and dry decks—essentials for day cruising and watersports. In particular, my proficiency in software such as AutoCAD, Rhino and SolidWorks is a valuable asset for your HDPE hull project. They will enable me to create detailed 3D models, perform hydrostatic calculations, calculate structural plate thicknesses and even estimate weight. Additionally, having orchestrated numerous craft from concept to yard drawings successfully, I have an ingrained understanding of how to incorporate unique material traits into designs. Moreover, partnering with Web Crest also expands the possibilities for your HDPE Rigid Inflatable Boat project. We have experience in turning ideas into scalable digital products, which aligns with the innovative approach your project demands. Boasting a business-focused mindset alongside technical prowess—with Agile project management at our core—we are geared to effectively communicate with you throughout the process to ensure every detail meets and exceeds your expectations.
$5,000 AUD in 7 days
5.6
5.6

Sir, I am a perfect fit for this requirement. I have completed similar marine design projects and bring 17 years of experience in mechanical design and 3D product development. I can develop the HDPE hull form, structural details, hydrostatics, stability, production-ready 3D CAD models, and fabrication drawings with a strong focus on manufacturability and performance. Have you finalized the target displacement and engine power? Do you have any preferred HDPE sheet thicknesses or welding standards to follow? It would be my pleasure if you give me the opportunity to show my capabilities. Thank you for your valuable time and consideration.
$7,500 AUD in 7 days
5.3
5.3

This project requires expert naval architecture skills for HDPE RIB hull design, including hydrostatic analysis, structural details, 3D modeling, and stability assessment. My approach will ensure a modern, stylish, and functional craft tailored to your specifications. I will refine hull shapes, develop structural and assembly drawings, and provide accurate weight and stability calculations, facilitating seamless transition to production. Additionally, I will ensure the design accounts for HDPE-specific constraints, optimizing durability and performance. Leveraging my experience with similar projects, I will deliver comprehensive documentation and 3D models ready for fabrication. Please share your existing sketches or preliminary concepts to tailor the design precisely to your vision. Looking forward to collaborating on this exciting project. What specific performance characteristics or user preferences should be prioritized in the hull design to ensure optimal ride comfort and safety?
$7,500 AUD in 56 days
0.0
0.0

Perth, Australia
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