1. Cutting Pumpkins
Donuts Work Too!
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2. Introduction What does the inside of a Pumpkin look like?
Do you know how a light switch works?
If you could see inside would you have a better understanding of how a pumkin grows, or a light switch works?
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3. Identify the principle views
You may want to label top and front so they don’t disorient the class
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4. The Knife is the Cutting Plane
CPL
Show where the Cutting Plane will be by drawing a CPL (Cutting Plane Line)
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5. Cutting plane slices
As the knife slices through it leaves saw marks on the surfaces that it touches
Until it is completely through
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6. Full Frontal Section
Discard the front half & look perpendicular to the cut
What you see is,
A full frontal section
Look close and you will see the knife cutting marks
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7. Sketches might look like this
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8. HAPPY HALLOWEEN!
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