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I’m developing a cardboard-housed, spring-mechanism party popper that bursts with both confetti and streamers, and I need a full design package that can go straight to production. The popper must accommodate multiple exterior colour variations—think festive, eye-catching artwork printed directly on the tube—while keeping structural integrity under the stored spring energy. Here’s what I need from you: • Mechanical design: 3D CAD of the popper body, end caps, safety sleeve, and the reusable spring system, sized for standard 30 mm inner diameter cardboard tubing. • Performance specs: spring rate calculations, preload force, and safe maximum load so the contents launch cleanly without tearing the housing. • Bill of Materials: itemised part list with suggested suppliers, materials (cardboard grade, plastic plungers, wire type for the spring), and estimated unit costs. • Artwork templates: print-ready dielines for the tube so I can swap in different colour themes. • Assembly guide: step-by-step drawings or photos showing how to load confetti and streamers together without jamming. • Compliance notes: confirmation the design stays within common consumer-safety limits for noise and projectile force. Acceptance criteria 1. Prototype files must be ready for 3D printing or rapid cardboard sampling. 2. When the design is simulated or test-fired, contents should reach at least 1.5 m height in still air. 3. All components documented in the BOM are commercially available with MOQ ≤ 1000. Deliver the native CAD files (SolidWorks or Fusion 360 is fine), PDFs for drawings, and an Excel or CSV BOM. Once the package hits the above criteria, I’ll move on to prototyping and production quotes.
Project ID: 40613014
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I would love the opportunity to work on your spring-loaded party popper design. I have experience in 3D CAD modeling, mechanical product design, BOM preparation, and manufacturing documentation, and I can deliver a complete production-ready design package. I will create the 3D CAD model for the body, end caps, safety sleeve, and spring assembly for a 30 mm ID cardboard tube, along with detailed engineering drawings, artwork templates, assembly documentation, and an organized Excel/CSV BOM with commercially available components (MOQ ≤ 1000). The package will also include spring calculations, material recommendations, prototype-ready files for 3D printing, and compliance-oriented design documentation. Throughout the project, I will focus on reliable performance, manufacturability, and clean documentation suitable for production and supplier quotations. Give me one opportunity to handle your project. I assure you that I will complete it with full dedication, accuracy, and professionalism while delivering high-quality results on time.
₹1,200 INR in 7 days
3.5
3.5
6 freelancers are bidding on average ₹983 INR for this job

Replit, Wordpress Developer, eCommerce and Website Development $15.00/hr Full-Stack Developer | Replit Developer | WooCommerce & eCommerce Specialist Hi! I'm a passionate developer who helps businesses build modern, responsive, and high-performing web applications and eCommerce stores. I specialize in developing websites and applications using Replit, as well as creating professional online stores with WordPress and WooCommerce. Whether you're launching a new business, improving an existing website, or need custom functionality, I can deliver reliable, user-friendly solutions tailored to your goals. My Services: Replit web application development WordPress website development WooCommerce store setup and customization eCommerce website development Payment gateway integration Responsive and mobile-friendly design Bug fixing and performance optimization Website maintenance and support Why Work With Me? Clean, maintainable, and scalable code Clear communication and timely updates On-time project delivery Attention to detail and quality Dedicated to client satisfaction I believe every project deserves a solution that is fast, secure, and easy to manage. My goal is to help clients grow their businesses by building websites and applications that deliver real results. If you're looking for a dependable developer who values quality and communication, I'd be happy to discuss your project. Let's build something great together! less
₹1,050 INR in 7 days
0.0
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Ethan here, from South Africa. Your project immediately caught my eye. I'm really excited to partner with you. The concept of a cardboard-housed party popper that bursts with confetti and streamers is fantastic. I understand you need a full design package ready for production, including 3D CAD models and a detailed BOM. In a similar project, I successfully designed a celebratory device that met stringent performance specs while ensuring vibrant exterior designs. I plan to create a sturdy design that maintains structural integrity under spring energy. By using advanced simulations, I can guarantee performance metrics, such as height and safety compliance. I’ll ensure each component is clearly documented in the BOM with reputable suppliers. What you truly need is a reliable design that not only functions well but also delights users. My commitment to quality means you’ll receive thorough documentation and testing results. Please feel free to reach out so we can connect and further explore how I can contribute to your project's ABOVE THE REST SUCCESS. Kind regards, Ethan
₹600 INR in 8 days
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Hi, I’m a Mechanical Engineering student with hands-on experience in CAD design and product development, and I’d love to work on this project. It’s an interesting challenge because it combines mechanical design, material selection, and preparing a product for manufacturing. For this project, I can design the complete spring-loaded party popper to fit the standard 30 mm cardboard tube. I'll create the 3D CAD models for the body, end caps, safety sleeve, and reusable spring mechanism, making sure the design is practical to manufacture and easy to assemble. The prototype files will be ready for 3D printing or rapid cardboard prototyping. Along with the CAD models, I'll prepare the engineering calculations, including spring selection, preload, and load estimates, to help ensure the mechanism performs as intended. I'll also put together a detailed BOM with recommended materials, commercially available components, estimated costs, and supplier suggestions. To make production easier, I'll provide print-ready artwork templates for the cardboard tube so different colour themes can be applied without changing the design. I'll also include assembly drawings showing how the components fit together and how the confetti and streamers are loaded efficiently. Finally, I'll organize everything into a clean package with native CAD files, PDF drawings, and the BOM in Excel or CSV format. Thank you for considering my proposal. I look forward to working with you.
₹1,100 INR in 7 days
0.0
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Bonjour, J'ai lu votre projet de conception pour le lance-confettis et serpentin à ressort dans son boîtier en carton. Je suis ingénieur concepteur électromécanicien et je maîtrise parfaitement AutoCAD pour la conception de pièces et de systèmes mécaniques. Ce que je vous propose : 1. Modélisation 3D du mécanisme à ressort et de son boîtier. 2. Réalisation des plans 2D précis au format DWG/PDF, prêts pour la découpe laser du carton. 3. Une nomenclature détaillée (liste des pièces, dimensions, matériaux) pour faciliter votre commande chez le fabricant. Je peux vous réaliser l'ensemble de cette étude pour 1 100 INR. Je suis disponible pour commencer immédiatement. Cordialement,ldan
₹1,050 INR in 7 days
0.0
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Gurugaon, India
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