New
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Lesson 8 of 18
  • Year 10

Design development with CAD: saving space

I can use 3D computer-aided design to develop ideas.

Lesson 8 of 18
New
New
  • Year 10

Design development with CAD: saving space

I can use 3D computer-aided design to develop ideas.

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Lesson details

Key learning points

  1. Virtual modelling is an alternative to physical modelling that brings different benefits to the designer.
  2. Virtual modelling is the creation of digital 3D representations of objects or designs.
  3. Virtual modelling using CAD can be useful for testing ideas.
  4. Designers test their designs to find out what works, what doesn't, and how to make them better.

Keywords

  • CAD - computer aided design

  • Virtual modelling - the creation of digital 3D representations of objects or designs

  • Development - improving and building on design ideas to make them better

  • Testing - trying something out to see if it works well

Common misconception

Modelling only takes place with physical materials.

Virtual modelling using 3D drawing software can help to see ideas in 3D and enables quick and easy iteration.


To help you plan your year 10 design and technology lesson on: Design development with CAD: saving space, download all teaching resources for free and adapt to suit your pupils' needs...

Students may benefit from some flipped learning homework such as tutorials to remind them or teach them how to use your chosen software prior to the lesson, to enable a more productive lesson.
Teacher tip

Equipment

Access to a 3D CAD application.

Licence

This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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Prior knowledge starter quiz

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6 Questions

Q1.
The process of refining and improving a design is called ...

duplication
repetition
preservation
Correct answer: iteration

Q2.
What can be used to help lead developments and iterations of our designs?

evaluation
impulse
presumption
Correct answer: analysis

Q3.
What is it called when you think about what you did and suggest any changes or improvements?

Correct Answer: evaluation

Q4.
Which ways could a model of a design idea be evaluated?

An image in a quiz
Correct answer: testing of model
Correct answer: evaluate against the design brief
adding decorations to the model
Correct answer: gather direct feedback from the user
choose the design that looks the most colourful

Q5.
Which of these are evaluative comments?

The storage unit has three shelves and a sliding door.
Correct answer: The storage unit is sturdy but could use more internal dividers.
Correct answer: It is easy to access, but the product could be more compact in size.
It is made from plywood and painted blue.

Q6.
Why do we use evaluations of our designs to develop further iterations?

To reduce the time spent on thinking.
To avoid receiving any feedback.
Correct answer: To make informed decisions that lead to effective improvements.
To finish the project faster without changes.

Assessment exit quiz

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4 Questions

Q1.
Virtual modelling is:

the creation of paper based 2D drawings
Correct answer: the creation of digital 3D representations of objects or designs
the creation of videos of objects or designs

Q2.
Virtual modelling using CAD has benefits over physical modelling because:

it takes time to learn the CAD application
Correct answer: it is accurate
Correct answer: it is easy to fix mistakes and iterate
Correct answer: it saves money
it is expensive to buy the CAD application

Q3.
CAD files can be easily shared with users or team members, which helps gather and make improvements before any physical production begins.

Correct Answer: feedback

Q4.
In some CAD applications, your design can be tested in a simulation, which are examples of tests which could be simulated?

Correct answer: stress testing
Correct answer: structural buckling
how the user interacts
Correct answer: thermal stress
how the product is manufcatured