Orthographic Drawing Practice

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Orthographic Drawing Practice

• GSMST

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Creating the Orthographic Projection Sketch

• Front View
• Right Side View
• Top View

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Step 1 Lightly Block Three Views
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Step 2 Lightly Block Major Features

• Holes
• Arcs
• Cutouts

Use very light lines for drawing in the
construction lines
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Step 3 Refine and Locate Features in All Views
Use very light lines for drawing in the
construction lines
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Step 4 Add Final Lines
Use very light lines for drawing in the
construction lines
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Completed Sketch
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Add the Left Side View

• Sketch the left side view of the object
• Compare your view with the others at your table

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Add The Left Side View

• Does yours look something like this?

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Practice Exercise

• Draw three orthographic views of a classic curved
  top tombstone. Remember to include all lines
  visible, hidden, and center, where appropriate
• Add a bullet hole (large caliber) concentric
  within the top arc. Adjust the views for this
  new feature.

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Tombstone Solution
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Practice Exercise

• Complete three orthographic views of the object
  shown on the next slide.
• Include visible, hidden, and center lines where
  appropriate.
• Use the grid paper in the back of your book or
  your engineering sketch pad.
• You will be given 7 minutes.

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Object for exercise
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Solution
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Solution
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Solution
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Post Assessment Test

• Use a clean sheet of paper to sketch orthographic
  views of the object.
• You will be given 5 minutes to complete the
  drawing individually

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Post Assessment Test

• Use a clean sheet of paper to sketch orthographic
  views of the object.
• You will be given 5 minutes to complete the
  drawing individually

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Post Assessment 2

• Sketch orthographic views on clean sheet of paper

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Readiness Assessment Test

• Individually respond to the following question.
  This is a closed book test. You will have 2
  minutes
• Name the three types of pictorial drawings.

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Readiness Assessment Test

• As a team respond to the following question. You
  will have 2 minutes
• Name the three types of pictorial drawings and
  what qualities make each unique.