Egg Crash Vehicle: Orthographic Drawing

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Egg Crash Vehicle Orthographic Drawing

• Mr. Maguire
• Grade 7
• Great Neck South Middle School

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What is an Orthographic Projection?
An Orthographic projection shows three distinct
and different views of the same subject.
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Front View
Front View
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Top View
Top View
Front View
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Side View
Top View
Front View
Right Side View
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Orthographic Projection
Top View
Front View
Right Side View
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Ruler
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Line Weight

• Object lines Dark
• Hidden Lines Medium
• Guidelines Very Light
• Dimension Lines Medium

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Boxes
Trace two boxes on white side of paper with ruler
 
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Wheels
¼
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Guidelines
Draw light guidelines from each side of wheel to
top of paper
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Drawing top view wheels
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Wheel Placement
¼
 
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Wheel Placement
¼
¼
¾
 
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Hidden Lines
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Axles
Draw a light guideline from the middle of each
set of wheels.
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Axles
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Front View Drawing
Locate all points that define a change of angle
or direction (corners). Connect them with the
appropriate lines.
Front
 
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Front View Drawing
Show objects inside your car with hidden lines.
Front
 
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Front
 
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Top View
Front
Front
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Top View Hidden Lines
Front
Front
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DimensioningA dimension line has 3 parts

1. A dimension in inches
3 ½
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DimensioningA dimension line has 3 parts

2. A dimension line
3 ½
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DimensioningA dimension line has 3 parts

3. Extension lines
3 ½
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You must draw 6 dimensions on your drawing
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  Dimensioning Styles
 
Do not dimension inside object!!
2 ¼
¾
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1 ½dia.