Practice IB Design Technology (First Exam 2027) Topic B2.2 Modelling and Prototyping with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for B2.2 Modelling and Prototyping and mirrors Paper 1, 2 style where relevant.
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Rapid prototyping is most useful when designers need to:
What purpose of prototyping is demonstrated in this scenario?
A company is designing a flat-pack wooden chair intended for mass production and easy home assembly. To support this development, the design team uses a range of modelling techniques to communicate ideas and evaluate the product’s performance.
Figure 1 shows a technical representation of the chair components, indicating the flat panels, fasteners, and joining mechanisms.
Identify the type of drawing shown in Figure 1.
Figure 2 presents the results of a finite element analysis (FEA) simulation of the chair’s seat under a 100 kg load.
Outline two reasons why a designer would use FEA in the development of this product.
Figure 3 shows a photo of a physical prototype of the chair being tested by a user
Describe two benefits of using a physical prototype to gather user feedback during development.
Explain how computer-aided design (CAD) models can reduce both design time and cost in the production of the chair.
Discuss two advantages and two limitations of using 3D printed rapid prototypes for evaluating the chair’s joint components.
Evaluate how the use of exploded drawings, CAD, and physical prototypes helps the design team communicate effectively with stakeholders throughout the development of the chair.
What is the primary purpose of using drawings in the design process?
What is a major advantage of rapid prototyping?