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3D Parts Modeling and CAD Drawings
3D models, AutoCAD drawings and written descriptions that help an online parts retailer's customers identify the right part.
Business goals
The client sells replacement parts online for household products and equipment. Customers usually arrive with a broken machine and a model number, and they need to be sure they are ordering the right piece. A part that looks like it fits but doesn't means a return and a repair still undone. The client needed visual and written content that made parts easier to recognize, prepared in a consistent way across catalog items.
Project overview
Hexagon delivered 3D modeling, AutoCAD drawing and description writing for the client's replacement parts. Each part could be shown as a model or technical drawing, supported by a plain written description of what it is. The output gave the client consistent content to use with its catalog. This was a production engagement focused on accuracy and consistency, with parts handled as defined items rather than one-off illustrations.
Challenges faced and solved
Buying a replacement part online comes down to one question: is this the piece I need?
Parts that look alike
Many replacement parts differ by a small tab, hole or connector. Customers comparing near-identical items may choose wrongly, which creates returns and delays their repair.
We prepared models and drawings that show part shape and features clearly, so details that matter are easier to compare.
Consistency across a catalog
Part content that comes from many sources tends to vary in style and depth. An uneven catalog makes shoppers less sure about whether they can trust what they see.
We followed the same approach for models, drawings and descriptions, so parts read and look alike across the work we delivered.
Descriptions shoppers can follow
A part name alone can mean little to a homeowner fixing a machine for the first time. Without plain wording, they may not realize what a part does or where it goes.
We wrote descriptions that say what the part is, in terms that are useful to someone doing their own repair at home.
Working accurately from references
Drawings and models are only as good as their source information. Small errors copied across the work can easily send customers toward the wrong part.
We worked from the reference information the client supplied and flagged anything unclear for review, instead of guessing at a dimension or a feature.
Features
| Feature | Description |
|---|---|
| Online shoppers | |
| 1. 3D Part Views | Models show a part's shape in a way a flat photo may not, which helps with recognizing it. |
| 2. Technical Drawings | AutoCAD drawings show the part's outline and features clearly, without the distractions of a photograph. |
| 3. Plain Descriptions | Short written text explains what the part is, so a first-time repairer can feel sure about the choice. |
| Catalog and merchandising staff | |
| 4. Part Modeling | Parts are built as 3D digital models from the supplied references. |
| 5. AutoCAD Drawing Production | Drawings are produced in AutoCAD, a standard format technical staff can open and reuse. |
| 6. Description Writing | Each part receives written copy that follows one approach. |
| 7. Reference Checks | Questions about unclear source material go back to the client, rather than being resolved by guesswork. |
| 8. Organized File Delivery | Files are named and handed over in a way that lets staff match each output to its part. |
How the platform is put together
Each layer has one job.
The result
The client received models, drawings and descriptions prepared to one approach. That gave its parts content a more consistent base.
| Area | Before | After |
|---|---|---|
| Part visuals | Limited views to judge a part by | 3D models and technical drawings available |
| Part wording | Names that assume product knowledge | Plain descriptions for do-it-yourself buyers |
| Content style | Varies from one source to another | One approach across delivered parts |
| Internal reuse | Visuals hard to reuse | AutoCAD files staff can open and work with |
How we took it from idea to launch
Good software follows a process. Here are the six stages, and what happens in each one.
Discovery & Requirements
Goal: Define the product vision, target audience and core business requirements.
Key activities- Stakeholder interviews
- Market and competitor research
- Defining user personas
- Drafting technical specifications or a Product Requirements Document (PRD)
Design (UX / UI)
Goal: Create an intuitive user experience and visual interface.
Key activities- UX design: information architecture, user flows and wireframes
- UI design: high-fidelity mockups and interactive prototypes in Figma or similar tools
- Design system: colors, typography and component libraries
Development: Frontend & Backend
Goal: Build the functional application using agile sprints.
Key activities- Backend: set up databases, design APIs (REST, GraphQL), implement server logic, and configure authentication and authorization (OAuth, RBAC)
- Frontend: build responsive interfaces and connect components to backend APIs
- Version control: manage code through Git and GitHub
Security & Optimization
Goal: Harden the application against vulnerabilities and boost performance.
Key activities- Security: address the OWASP Top 10, including injection, XSS and CSRF, enforce encryption in transit and at rest, and implement rate limiting
- Optimization: code splitting and lazy loading, database indexing, API caching and load testing
- QA and testing: unit, integration and end-to-end tests
Beta Release
Goal: Deploy to a controlled group of real users to catch edge-case bugs and gather feedback.
Key activities- Set up staging and production CI/CD pipelines
- Launch a closed or open beta with real users
- Monitor errors through observability tools
Public Release (Launch)
Goal: Roll the software out to the general public.
Key activities- Final production deployment
- DNS configuration
- Marketing and onboarding rollout
- Post-launch performance and security monitoring
Business benefits
Shoppers get clearer views of what they are buying.
Descriptions explain the part in plain language.
Delivered parts follow one approach.
Technical files stay available for later use.
Conclusion
When a washer or mower breaks, the customer wants the right part the first time. That depends on how clearly the part is shown and explained online. Hexagon supplied the client with 3D models, AutoCAD drawings and written descriptions built to help with that decision. It was focused production work, done with care for the details that separate one part from another. If your catalog needs better technical content, we'd be pleased to talk through the work involved.
Talk to us about your projectRelated services: design services · custom software development
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