Projection of Solids Cut by Simply Incline Planes (Leaving Cert DCG): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
What is a simply inclined plane?
What is a simply inclined plane?
A cutting plane that appears as a straight edge in elevation view
How does a simply inclined plane appear in elevation?
How does a simply inclined plane appear in elevation?
As an edge view (straight line)
Key advantage of simply inclined planes
Key advantage of simply inclined planes
Intersection points are easily visible in elevation view
How many views show simply inclined plane as straight edge?
How many views show simply inclined plane as straight edge?
One orthographic view (typically the elevation)
First step when drawing sectioned pyramid
First step when drawing sectioned pyramid
Identify obvious intersection points in elevation
Second step when drawing sectioned pyramid
Second step when drawing sectioned pyramid
Use horizontal sections for remaining points
Shape of horizontal section through pyramid
Shape of horizontal section through pyramid
Similar to base shape, just smaller
Shape of horizontal section through cone in plan view
Shape of horizontal section through cone in plan view
Always a circle
Key difference: pyramid vs cone horizontal sections
Key difference: pyramid vs cone horizontal sections
Pyramids: polygonal sections; Cones: circular sections
How to show cut surface clearly on drawing
How to show cut surface clearly on drawing
Shade or hatch the cut surface