
Completed
Posted
Paid on delivery
Special cap system to provide filtered air and hydrophobic drop guide on an existing eye drop bottle
Project ID: 40531666
17 proposals
Remote project
Active 4 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs

We would be happy to develop the special cap system for your existing eye drop bottle, including filtered air intake and a hydrophobic drop-guiding mechanism. We have extensive experience in product design, medical/healthcare device concepts, CAD modelling, prototyping, material selection, and manufacturability-focused development. We have also published and registered our own related product/design work, so we understand the importance of functional design, usability, IP awareness, and practical manufacturing. We can support concept development, 3D CAD modelling, mechanism detailing, prototype-ready files, and design recommendations for materials, filtration, hydrophobic surfaces, assembly, and testing.
₹7,000 INR in 7 days
0.0
0.0
17 freelancers are bidding on average ₹7,976 INR for this job

Hi, I’m a multidisciplinary engineer focused on design + analysis, delivering production ready CAD and simulation-backed solutions. I work across mechanical and architectural scopes, with clear drawings, practical detailing, and fast communication. Feel free to check my profile for similar projects ,happy to review your scope and suggest the best next steps. G. Zaralı
₹35,000 INR in 7 days
6.4
6.4

I am here to bring your product to life. I'm a mechanical engineer with 11 years of experience designing industrial product, furniture product, plastic product and machine, automatic system Experience type: 3D, 2D models, Render, Sheet Metals, Machines and Devices, Industrial Products, Plastic Molds, Plastic Parts Software program: Autodesk Inventor, Solidworks, Autocad , NX-Siemens I am always glad to cooperate, I guarantee quick lead-time, information of the project is always confidential . Your project will be developed with speed and high quality, as well as all the jobs already accomplished. Please send me a message
₹12,500 INR in 7 days
5.9
5.9

Hi, there I hope you’re doing well. I’m a Mechanical Engineer with strong experience in SolidWorks, Fusion360, Inventor, product design, 3D modeling, Printing, and manufacturing drawings. I’ve completed many projects as following: • 3D modeling and mechanical design with functions • Detailed engineering drawings and GD&T • Product development from sketches or new concept idea • 3D printing(STL) and Design for manufacturing (STEP) • High qualitied Rendering I can deliver accurate results and fast revisions, and I always maintain clear communication and reliability. I’d be happy to discuss your project details and start immediately. Looking forward to working with you. Best regards
₹7,000 INR in 1 day
5.2
5.2

As a seasoned mechanical designer and proficient 3D modeler, your 'Mechanical Patent Drawings' project aligns perfectly with my expertise. Being versed in software such as Solidworks, AutoCAD, and Rhino, I have successfully designed and developed numerous cutting-edge products in the past. In your case, I believe I can offer invaluable insights regarding the eye drop bottle cap system that you're proposing.
₹3,600 INR in 1 day
5.2
5.2

As a seasoned industrial design engineer proficient in Autodesk Fusion 360 and SolidWorks, I am confident in my ability to create precise, innovative, and absolute detail-oriented designs – necessary aptitudes for your mechanical patent drawings project. Throughout my career, I have developed an ardent understanding of the entire product design and development process – from ideation to prototyping to manufacturing. This comprehensive grasp of the entire value chain enables me to foresee potential issues, streamline processes, and deliver outstanding results with efficiency. My wealth of expertise in 3D modeling and parametric design is perfectly attuned to constructing complex designs like your special eye drop bottle cap system. I am also knowledgeable about different materials and their applications, which will enable me to provide insightful recommendations on material selection and manufacturing methods for your project. In closing, working with me guarantees that you're employing a professional who is wholly committed to high standards of quality, precision, and innovation. With my profound skills in 3D modeling, CAD/CAM, Engineering Mehcanics 'Mühendislik', CAD/ Manufacturing Engineering 'Yazılım Mühendisliği' and Machine Engineering 'Makine Mühendisliği', I assure you of production-ready designs that are not only functional but delightful as well. Choose me as your freelancer for this project and let's create something that will improve lives with convenience!
₹12,500 INR in 5 days
4.0
4.0

As an experienced design professional, I can confidently bring your custom bookmark ideas to life in 3D models for STL conversion. With over 14 years in the field, my expertise lies specifically within CAD/CAM and I'm well-versed in software like SolidWorks, AutoCAD, and Fusion 360 -enabling me to deliver high-quality, print-ready files that perfectly suit your project brief. What sets me apart is the ability to blend creativity with functional limits. Your bookmarks require thin, lightweight designs yet feature fine patterns and themed flourishes. I have consistently pushed boundaries for clients while respecting these constraints, ensuring smooth edges under 2 mm thick to prevent snagging paper and incorporating negative spaces or relief details for optimal printing experience. From providing separate files for each concept to delivering screenshots or turntable renders for previewing; I understand how profound even the tiniest detail can be in a project like this. Alongside my competencies as a Mechanical Engineer, my unique blend of creative flair and meticulousness make me the ideal candidate for this job. Let's not waste another page-turned - let's discuss your sketches and I'll start turning them into stunning bookmarks with pragmatism intact!
₹7,000 INR in 1 day
2.3
2.3

Hello, I am a professional Architectural Designer with experience in architectural drafting, permit drawings, 3D modeling, and high-quality rendering. I have reviewed your project requirements and I am confident I can deliver accurate, detailed, and professional results that meet your expectations. My expertise includes AutoCAD, Revit, SketchUp, Lumion, and construction documentation. What you will receive: • Accurate mechanical patent • Fast communication and timely delivery • Revisions to ensure complete satisfaction I would be happy to discuss your project in detail and provide samples of similar work from my portfolio. Thank you for your time and consideration. I look forward to working with you. Best regards, Samuel
₹7,000 INR in 1 day
2.1
2.1

Hello, I am interested in your Mechanical Patent Drawings project. I am a Mechanical Design Engineer with 13 years of experience using Autodesk Inventor for product design, mechanical assemblies, fabrication drawings, and engineering documentation. I have experience creating clear technical drawings and 3D models that accurately communicate product functionality and design intent. Based on your concept of a special cap system for an eye-drop bottle with filtered air intake and a hydrophobic drop guide, I can develop detailed CAD models and patent-style drawings that clearly illustrate the invention and its working principles. I can provide: • Accurate 3D CAD model in Autodesk Inventor • Patent-style line drawings and views • Exploded and sectional views • Detailed component illustrations • Assembly drawings showing functionality • STEP, PDF, and native Inventor files • Revision support during the review process My experience includes mechanical products, plastic components, industrial equipment, and fabrication drawings. I focus on creating clean, professional documentation that clearly presents the design for patent applications, engineering review, and product development. Please share your sketches, concept drawings, reference images, or design notes so I can review the idea and determine the best approach for the drawings. Budget and timeline can be discussed in chat. Best Regards, Masood Akhtar
₹1,500 INR in 1 day
2.2
2.2

Hello, I can assist with the patentability assessment, drafting, and filing strategy for your mechanical invention involving a specialized cap system that provides filtered airflow and hydrophobic droplet guidance for an existing eye-drop bottle. My support includes: • Prior-art and novelty review • Patentability assessment and claim strategy • Utility patent specification drafting • Independent and dependent claim development • Technical description, embodiments, and drawings guidance • USPTO/PCT filing-ready documentation The key focus will be protecting the unique combination of the cap structure, air-filtration mechanism, hydrophobic guidance features, and integration with existing eye-drop bottle systems while maximizing claim scope and commercial value. Please share sketches, drawings, prototypes, or concept notes, and I can evaluate the invention and recommend the strongest patent protection strategy.
₹8,000 INR in 3 days
1.7
1.7

Hi, I can prepare the mechanical patent drawings and CAD concept for your special cap system designed to provide filtered air and a hydrophobic drop guide for an existing eye drop bottle. The best solution is to first review the existing bottle/cap dimensions, dropper geometry, filter location, airflow path, hydrophobic guide requirement, sealing method, and any reference sketches you already have. Then I’ll create clear mechanical drawings showing the cap assembly, section views, exploded views, functional airflow/drop path, and numbered components suitable for patent documentation. I’m comfortable with SolidWorks, mechanical design, 3D modelling, CAD drafting, product concept development, patent-style technical drawings, exploded assemblies, section views, tolerance-aware design, and clear engineering documentation. Deliverables can include: * 3D CAD model of the cap system * Patent-style black-and-white drawings * Exploded assembly view * Section/cutaway views * Component callouts and labels * Functional airflow/drop-guide illustration * PDF/DWG/STEP files as required * Basic design notes for manufacturing review I’ll focus on making the drawings clean, technically understandable, and suitable for presenting the invention clearly. Best regards Ankit
₹5,000 INR in 1 day
1.5
1.5

The challenge isn’t simply designing a new cap—it’s creating a solution that integrates seamlessly with an existing eye-drop bottle while maintaining reliable airflow, contamination control, and consistent drop delivery without complicating manufacturing. I can help develop a practical cap system that combines filtered air intake with a hydrophobic drop-guidance mechanism to improve hygiene, dispensing accuracy, and user experience. My approach will focus on compatibility with the existing bottle geometry, material selection, manufacturability, and performance validation to ensure the design is both functional and commercially viable. I’ll also evaluate airflow paths, filtration placement, and droplet behavior to minimize contamination risks while maintaining smooth dispensing. The result will be a well-engineered concept ready for prototyping, testing, and further product development. Message me now and let’s discuss the current bottle design, performance requirements, and development goals so we can create a cap system that solves these challenges effectively.
₹2,000 INR in 1 day
0.0
0.0

I am the best candidate for this project because I have strong experience in product design, mechanical concepts, and technical documentation. I can transform an initial idea into a practical and manufacturable design while considering functionality, user safety, material selection, and production feasibility. For this eye drop bottle cap project, I can provide: Concept development and design optimization. Detailed 2D and 3D CAD drawings. Exploded views and technical documentation. Design for manufacturing (DFM) considerations. Clear communication and regular progress updates. My goal is not only to create an attractive design but also to ensure that the final product can be realistically produced and meet the required performance standards
₹2,500 INR in 3 days
0.0
0.0

Hello, I am a CAD Designer with hands-on experience in AutoCAD and SolidWorks. I can create accurate 2D drawings, 3D models, assemblies, manufacturing drawings, and BOMs as per your requirements. I focus on quality, precision, and timely delivery. I would be happy to discuss your project and provide the best design solution.
₹4,000 INR in 7 days
0.0
0.0

Hi there, I have reviewed your requirement for the specialized cap system for eye drop bottles. With over 15 years of experience in mechanical engineering and industrial design, I am confident in my ability to engineer this cap to meet your functional requirements for air filtration and hydrophobic flow. Why I am the best fit for this project: CATIA Expert: I specialize in high-end surfacing and mechanical assembly. I can create a precise, manufacture-ready model that fits your bottle specifications perfectly. Functional Engineering: I understand the mechanical challenges of hydrophobic flow and air-tight filtration. I will ensure the geometry is optimized for fluid dynamics. Patent-Ready: I will provide the 3D models, technical drawings, and assembly specs needed for your patent documentation. Workflow: I will analyze the dimensional constraints of the existing bottle and model the mechanism in CATIA for high-precision integration. I am ready to start immediately. Best regards, Ali Alizadeh Mechanical Engineer & Industrial Designer
₹7,000 INR in 7 days
0.0
0.0

Hello, I am an Aerospace Engineer with experience in mechanical design, CAD modeling, and technical drawing preparation. I can help create professional patent-style drawings for your eye-drop bottle cap system, including the filtered air path, hydrophobic drop guide, and integration with the existing bottle design. My focus will be on producing clear, accurate illustrations that effectively communicate the invention and its operation. I can provide: • Detailed mechanical drawings and views • Isometric, sectional, exploded, and assembly illustrations • Clean line drawings suitable for patent applications • CAD models of the concept where required • Revision support based on feedback • PDF and CAD deliverables Having experience in engineering documentation and product design, I understand the importance of clearly showing component relationships, airflow paths, and functional features while maintaining professional drawing standards. Please share sketches, reference images, or concept details, and I can review the scope and discuss the best approach. Best Regards, Sarah Saleem Aerospace Engineer | CAD & Technical Drawings
₹7,000 INR in 7 days
0.0
0.0

Kolkata, India
Payment method verified
Member since Jun 22, 2026
$250-750 USD
$30 USD
$250-750 USD
€3000-5000 EUR
$10-30000 USD
€250-750 EUR
$100-150 USD
$250-750 USD
£750-1500 GBP
$8-15 USD / hour
£250-750 GBP
$250-750 USD
$250-750 CAD
$30-250 USD
€30-250 EUR
$250-750 USD
$750-1500 USD
$250-750 USD
$10-30 USD
$30-250 USD