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If you’ve ever watched a design idea fall apart the moment you touch real materials, you already understand the heart of IB Design Technology.
In DT, the distance between “I think this will work” and “it works” is crossed with modeling and prototyping. Not as decoration. Not as a last-minute showpiece. But as a quiet, repeatable way of proving decisions with evidence. And because the IB Design Technology course (first exams in 2027) rewards process, these skills show up everywhere: your IA, Paper questions, and any response where you have to justify choices.
In IB Design Technology, modeling is any representation of your design that helps you explore, explain, or evaluate an idea before final production. The key word is purpose. A model that looks impressive but proves nothing is just a picture.
Common modeling types you can mention in exams and use in your IA:
Prototyping in IB Design Technology: the “proof tool”
Prototyping in IB Design Technology is where your assumptions meet reality. A prototype is a working (or partially working) version built to test something: function, user comfort, stability, durability, manufacturability, or safety.
Useful categories to remember:
Low-fidelity prototypes: fast, cheap, made to fail early.
High-fidelity prototypes: closer to final, used to validate performance.
Functional prototypes: built to test how it works, not just how it looks.
For Paper responses, the same habit works: define the model/prototype, state an advantage/limitation, then anchor it to a context (time, cost, accuracy, sustainability, user needs).
CAD vs cardboard joke comic
A simple strategy: one prototype, one question, one dataset
When students struggle in IB Design Technology, it’s often because prototypes are built without a test plan.
Try this structure (great for IA documentation and exam language):
Question: “Does the handle reduce wrist strain?”
Method: short user test, rating scale, time-to-complete task.
Result: table/graph + a sentence of interpretation.
Change: specific design edit (dimension, material, mechanism).
Retest: confirm improvement.
To tighten your practice loop, use RevisionDojo’s Questionbank for B2.2, then lock the definitions with Flashcards, and fill gaps with AI Chat when you get stuck mid-explanation. If you’re preparing under timed conditions, combine targeted drills with Mock Exams and Predicted Papers.
Conclusion: make your work testable, and marks follow
Modeling and prototyping are the bridge between imagination and proof. In IB Design Technology, they turn “I think” into “I tested,” which is the language both examiners and real designers trust.
If you want a single place to learn the content, practice exam-style questions, revise with Study Notes and Flashcards, get unstuck with AI Chat, and pressure-test with Mock Exams and Predicted Papers, start here: RevisionDojo’s IB Design Technology hub.