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I am developing a luxury piece of jewellery that hides an ingenious, manually-operated rotary feature at its core. The heart of the brief is innovation: the mechanism must feel fresh, refined and effortlessly smooth while remaining discreet, light and comfortable to wear. The concept • A compact bearing-supported assembly allows part of the ornament to rotate by hand—think a single, satisfying twist rather than continuous spinning. • Visual elegance is critical; every visible element must read as high-end jewellery first and precision engineering second. • Weight must stay low enough for day-long wear without sacrificing strength or the premium feel expected in gold, platinum or silver. Your mission Translate this idea into a fully engineered solution ready for boutique-level production. That includes detailed CAD modelling (SolidWorks, Rhino, MatrixGold or similar), tolerance-controlled drawings, material and finishing recommendations, and an assembly sequence that jewellers can replicate in small batches. The bearing selection, retention method and any detent or stop you propose should be serviceable with standard jewellery tools. Deliverables 1. 3D CAD assembly with all components separated into precious-metal parts and off-the-shelf hardware. 2. Manufacturing drawings with tolerances, surface-finish notes and gemstone seat call-outs if required. 3. Bill of materials specifying alloys, bearings and any micro-fasteners. 4. Brief assembly guide and maintenance notes. Acceptance criteria • Manual rotation is smooth, silent and free of wobble. • No adhesives in the load path—mechanical retention only. I will share aesthetic sketches and weight targets once the project starts. Feel free to propose clever ways to miniaturise the mechanism or disguise the bearing races; creativity is valued as highly as precision.
Project ID: 40645327
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8 freelancers are bidding on average ₹9,063 INR for this job

Hello, i am ready exited to work you as i read your job description I am also an expert in making 2d,3d modelling and animating characters 2dautocad drawing ,elevation, solid work, Revit ,FBX ,Unity, Render also interior and exterior design. I have experience in field of more than 10+ years. I can Create Intro and Explainer Videos. for products and companies. Kindly check My Portfolio as well. Hope for your very soon reply. Thank you
₹12,500 INR in 7 days
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HI, KINDLY READ THROUGH MY PROPOSAL Challenge is fitting a bearing-supported rotary mechanism into a jewellery-scale assembly that feels luxurious, stays light and has no wobble or noise. I’m a Mechanical Design Engineer with 6 years’ experience in precision CAD and mechanisms. I’ll build the SolidWorks assembly, separate precious-metal and hardware components, define fits, bearing retention, detent/stop, finishes, BOM and jeweller-friendly assembly. I’d assess a concealed race or miniature bearing approach to preserve a design. I’d confirm the rotation angle, tactile resistance, and target weight/envelope before finalising it. PLEASE INITIATE A CHAT I look forward to collaborating with you.
₹20,000 INR in 3 days
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Having a background in mechatronics engineering and a current role as a manufacturing engineer, I bring a unique blend of technical expertise and creative design thinking to the table. I have extensive experience designing and developing intricate tools, fixtures, and gauges for industrial needs, which has honed my skills in tolerances and precision more importantly for your project. Discussing the project further. my proficiency in 3D CAD(CAD undetermined) will be of immense value when it comes to preparing the detailed drawings, ensuring tolerance control, and even suggesting potential ways to disguise the bearing races or miniaturize the mechanism for a refined and luxurious decorative look you're aiming for. My commitment is not just limited to getting things designed, but also ensuring they can be implemented practically, something that's essential for boutique-level production you require. Lastly,and by no means least importantly , as someone who appreciates the value of aesthetics in high-end jewelry design, I can assure you that every visible element will radiate with that sophistication and elegance that speaks luxury rather than simply precision engineering making sure it remains visual elegance as stipulated in the project brief. Give your mechanical masterpiece challenge to me,Karla the mechatronic enthusiast and rest assured of Maximum impact in minimum design space with smooth, silent wobble-free manual rotation? I accept this challenge gladly!
₹7,000 INR in 7 days
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Hi, I can help turn your rotary jewellery concept into a **compact, production-ready mechanical assembly** while keeping the mechanism completely discreet. I’ll focus on: * Precision 3D CAD assembly and component design * Bearing, shaft, retention and rotation-stop/detent mechanism * Tight tolerances to eliminate wobble and unwanted play * Lightweight construction suitable for precious metals * Mechanical retention—no adhesives in the load path * Concealed bearing races and fasteners * Manufacturing drawings with finishes and gemstone-seat details * BOM for precious metals, bearings and micro-hardware * Clear assembly and maintenance instructions The main goal will be a **smooth, silent and controlled single-twist action** that feels premium while remaining practical for small-batch jewellery production. Once you share the sketches, dimensions and target weight, I can develop the mechanism around the actual jewellery form and optimize it for both **appearance and manufacturability**.
₹7,000 INR in 7 days
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Integrating a concealed, silky-smooth rotary mechanism into fine jewelry requires a balance between precision micro-mechanics and aesthetic elegance. As a Mechanical Design Engineer specialized in precision CAD (SolidWorks) and Design for Manufacturing (DFM), I will deliver a boutique-ready solution within 7 days. How I Will Meet Your Requirements: Smooth & Wobble-Free Rotation: Integration of off-the-shelf micro-bearings with calculated preloads and concealed detent/stop features for a satisfying tactile feel. 100% Mechanical Retention (Zero Adhesives): Clean mechanical assembly using micro-threads and serviceable retainers assemblable with standard jewelry bench tools. Tolerances & DFM: Full stack-up analysis tailored to precious metal casting, machining, and gemstone clearances. 7-Day Plan & Deliverables: Days 1–2: Concept, bearing selection & retention architecture. Days 3–4: Full 3D CAD modeling (SolidWorks / STEP). Day 5: 2D manufacturing drawings with GD&T and surface finish notes. Days 6–7: Itemized BOM (hardware/alloys) + Assembly & maintenance guide. Ready to sign an NDA and review your initial sketches immediately. Best regards, Ilyass KHATIMI
₹7,000 INR in 7 days
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Hi, I am a Mechanical Design Engineer specializing in precision mechanisms, miniature bearing-supported assemblies, and CAD modeling using SolidWorks. I can design the clever, manually-operated rotary feature for your luxury jewellery piece to ensure smooth movement and a compact, lightweight fit. What I will provide: 1. Precise 3D SolidWorks model & assembly of the internal rotary mechanism. 2. Motion analysis and tolerance optimization for smooth, effortless tactile response. 3. Manufacturing-ready 3D files (STEP/STL) for high-precision casting, 3D printing, or CNC machining. I am ready to review your concept sketch and start working immediately. Best regards, Quang
₹7,000 INR in 3 days
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I am skilled in the design and modeling of small products. I have over 10 years of experience using SolidWorks and UG. Regarding the design of jewelry, if we can have a detailed discussion, I believe I can handle this job.
₹10,000 INR in 2 days
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Delhi, India
Member since Sep 28, 2025
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