| Date | November 2020 | Marks available | 1 | Reference code | 20N.1.SL.TZ0.11 |
| Level | SL | Paper | 1 | Time zone | no time zone |
| Command term | Question number | 11 | Adapted from | N/A |
Question
Figure 2 shows a freehand drawing and an orthographic projection of a chair.
Figure 2: Different representations of a chair
[Source: [freehand drawing of a chair] © International Baccalaureate Organization 2020.
[orthographic drawing of a chair] © International Baccalaureate Organization 2020.]
What is an advantage of using a freehand drawing rather than an orthographic drawing?
A. More accurate
B. Allows quick exploration of ideas
C. Can be given to a manufacturer to make it
D. All parts drawn in proportion
Markscheme
B
Examiners report
Syllabus sections
- 18N.1.SL.TZ0.13: What type of graphical model would likely be part of the instructions for flat pack...
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22M.2.SL.TZ0.5d:
Explain why perspective drawings, orthographic drawings and exploded isometric drawings would be used in the design of the Bailey Wood Plane.
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18M.1.SL.TZ0.11:
Many furniture manufacturers provide graphical models to help customers assemble their products, see Figure 3.
Figure 3: An example of a graphical model
[Source: Image designed by Mike Oliver]
What perspective style is used in the image?
A. Linear perspective
B. Two-point perspective
C. One-point perspective
D. Three-point perspective
- 19M.1.SL.TZ0.13: Graphical models are useful for engineers, manufacturers, designers and clients, and vary...
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21N.2.SL.TZ0.7d:
Explain the benefit of using freehand sketches, physical models and CAD solid models in the development of the horn of the Gramovox® bluetooth speaker.
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19N.2.SL.TZ0.1c.i:
Outline why sketches would be used in the development of the Greenfeet Vertue shoe.
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19M.2.SL.TZ0.1e.i:
Outline why isometric drawings are often used in car design.
