Cross-sectional drawings
I can produce cross-sectional drawings to show internal details.
Cross-sectional drawings
I can produce cross-sectional drawings to show internal details.
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Lesson details
Key learning points
- Cross-sectional drawings help see inside objects by cutting them open on paper.
- Cross-sectional drawings are used when important details are hidden inside and can't be seen from the outside.
- A cutting plane is a dashed line with arrows that shows where the object is cut to reveal the inside.
- Hatching indicates a cut section, showing internal details and clarifying it's not the full design.
Keywords
Cross-section - an internal view of a 3D object when cut through a plane
Cutting plane - indicates where a sectional view is taken from, represented by a dashed line with arrows
Internal details - the features inside an object only visible in a cross-sectional drawing.
Common misconception
A cross-sectional drawing is just another drawing view, such as front or side.
A cross-sectional view is an internal view showing what the inside looks like when sliced through. It is is meant to reveal hidden details inside an object.
Equipment
Pencil, rubber, ruler.
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.What is an orthographic projection?
Q2.Which of these views would you NOT usually see in an orthographic projection?
Q3.How are hidden lines or details represented in an orthographic projection?
Q4.When creating an orthographic projection, which view do you draw first?
Q5.What view is this?
