Design and Technology Week 7 work for Year 7 You should have already completed the tasks on how to draw cylinders. If you haven't, do this first (the tasks follow in this presentation). If you have learnt how to draw cylinders, move on to the tasks which help you learn how to draw cubes (further down in this presentation).
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Design and Technology Week 7 work for Year 7 · Drawing shapes All objects are really just a combination of different shapes. If you can learn how to draw shapes in 3D you can then
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Design and Technology Week 7 work for Year 7
You should have already completed the tasks on how to draw cylinders. If you haven't, do thisfirst (the tasks follow in this presentation).
If you have learnt how to draw cylinders, move on to the tasks which help you learn how todraw cubes (further down in this presentation).
3D DrawingWhen sketching products/ideas by hand, it is beneficial if you can make the sketch look 3D.
This will make the item you are sketching look more realistic and help people who are looking
at the sketch to understand it better.
When your teacher assesses your sketched ideas in Year 7, 8 and 9, one thing we look for is the
quality of your communication. This means how well you present your ideas so that others can
understand them, through both the quality of the sketches and your written notes (annotation).
This is also assessed if you take the Design and Technology GCSE.
There are different techniques you can use to make your sketches look 3D. We are going to learn
some of the techniques now.
Drawing shapesAll objects are really just a combination of different shapes. If you can learn how to draw shapes
in 3D you can then put these together to create objects.
CylindersWe will start with cylinders.
A cylinder is made up of
two ellipses and two parallel
lines.
An ellipse is the shape you see
when you view a circle from an
angle. It looks like a squashed
circle. There is an ellipse at the
top and bottom of the cylinder.
Parallel lines are lines that
are the same distance apart
and will never meet. There are
parallel lines on each side of the
cylinder.
Ellipse
Parallel lines
Ellipse
Ellipses
To draw an ellipse, take a pencil and make the shape of the ellipse
without actually touching the lead on the paper. Do this a few times
to get the feel of the shape and how to make it.
You should be moving the pencil quite quickly and holding the pencil
securely but not too tightly. You need your hand to be able to move
freely and smoothly.
Next, whilst still repeating the shape of the ellipse lower the lead onto
the paper. Do not press too hard, you want to achieve a light sketchy
line. You may have to overlap the pencil lines and draw the shape a few
times over the top of previous lines until you get it right. This is fine.