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I need a production-ready concept for a dual-chamber bottle cap whose primary purpose is, quite simply, being a dual-chamber cap. The outer chamber behaves like any normal closure, but hidden inside is a second, sealed compartment that holds a secret powder. The moment the consumer twists the cap open, the mechanism must automatically release that powder so it drops cleanly into the liquid below. Here’s what I expect: • A complete 3D design (STEP or similar) suitable for injection-moulded plastics. • An internal release mechanism that stays leak-tight in transit yet reliably triggers on first opening. • Advice on materials, food-grade seals, tamper evidence, and optional child-resistance. • Rendered visuals plus an exploded view that clearly explains assembly for tooling and manufacturing. If you can also suggest quick prototyping methods (e.g., SLA prints with food-safe coatings) let me know, though the core deliverable is the CAD package and mechanism logic. I’m ready to iterate quickly, and I’ll provide prompt feedback to move us toward a functional, manufacturable cap.
Project ID: 40490470
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5 freelancers are bidding on average ₹601 INR for this job

Dear Client, I would love the opportunity to work on your Dual-Chamber Bottle Cap Design project. With extensive experience in product design, 3D modeling, CAD engineering, and mechanical design, I can create a functional, manufacturable, and high-quality bottle cap design that meets your requirements. I am committed to delivering accurate work with attention to detail, ensuring both performance and practicality throughout the design process. I assure you that I will complete the project with full dedication, professionalism, and on-time delivery. My goal is to provide a design solution that aligns perfectly with your expectations and project objectives. Software & Tools Expertise: AutoCAD SolidWorks Fusion 360 Autodesk Inventor Autodesk Maya Blender 3ds Max ZBrush SketchUp Autodesk Revit Unreal Engine V-Ray Substance Painter Adobe Photoshop Canva AI-Powered Design Tools Specializations: Product Design Mechanical Design CAD/CAM 3D Modeling 3D Rendering Prototype Development Engineering Design Manufacturing-Ready Models Architectural & Product Visualization I look forward to discussing your requirements and bringing your concept to life. Best Regards, Your Name
₹600 INR in 3 days
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Hello, I am interested in your dual-chamber bottle cap project. I have around 3 years of CAD experience in SOLIDWORKS and can help develop a manufacturable concept with proper 3D modeling, assembly structure, and clear mechanism logic. For this project, I can work on: * 3D CAD design of the cap and internal powder chamber * Twist-release mechanism concept * Exploded view and assembly explanation * Injection-molded plastic design considerations * Material and sealing recommendations * Basic rendered visuals for presentation and review I understand that the key point is not only the shape, but making sure the powder stays sealed during transport and releases automatically when the cap is opened. I can start with a first functional concept, then improve it based on your feedback until the design becomes practical for prototyping and manufacturing. I would also be honest about the process: for a production-ready cap, some testing and iteration will be needed, especially for sealing, tolerances, and release reliability. I can support the CAD and design development side clearly and carefully. Best regards, David
₹601 INR in 7 days
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A ditail 3D models drawings And 2D drawings and Assembly drawings A materials suggest and show detailed of critical parts . A modifications of the part and assembly Make view drawings
₹601 INR in 7 days
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I can design a production-ready dual-chamber cap with a reliable internal release mechanism that stays sealed during transport and activates automatically on first twist. The design will be optimized for injection molding, including proper draft angles, wall thickness, and assembly feasibility.
₹601 INR in 3 days
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Drawing on my advanced skills in 3D design and modelling, I am thrilled to bring a fresh perspective to your challenge of creating a dual-chamber bottle cap. While my background has been focused on assets for real-time game engines, the principles of optimization and creating flawless 3D models remain the same regardless of the purpose - be it for visualizing a game world or designing a practical product like yours. My commitment to delivering clean geometries, optimized poly counts, and excellent UV mapping ensures that complex designs like your dual-chamber mechanism will work seamlessly. Adhering to this practice will not only result in a precise 3D design (STEP or similar) suitable for injection-moulded plastics but also an internal release mechanism that stays leak-tight during transit but reliably triggers upon first opening. My proficiency in problem solving, including resolving topology issues and optimizing mesh quality will ensure that each part of the cap works as intended while adhering to tamper evidence and child-resistance standards. Finally, as a proponent of fast iterations and prompt feedbacks, I share your goal of realizing a functional, manufacturable cap.
₹601 INR in 1 day
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Jaipur, India
Member since Jun 4, 2026
₹600-15000 INR
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