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Learning Objective: YWBAT combine the information provided by an object's orthographic and isometric view to create a missing view.

Essential Question: What references are critical when completing an object's dimensional views?

Unit 5: Drafting

Do Now: (4 min) Welcome back! Bringin' it back!

1. In drafting, what is the purpose of light lines?

2. What is the purpose of dark lines?

3. In thinking about which lines to draw first when creating an orthographic projection, which statement below do you agree with and why?

"First project dark lines and then erase the parts of the lines that you don't want."

"First project light lines and then trace darker lines over those parts that represent the object you are drawing."

How do you know which lines should be darkened in the sketch below?

Orthographic View Exercises

Part 1 - Use the isometric and provided orthographic views to construct the missing orthographic view by PROJECTION.

  • Complete all three.

Part 2 - If you have not already, complete the isometric view exercise that we started before the break.

Our Entrance Expectations

  • On time.
  • Enter the room calmly and quietly.
  • Notebook and writing utensil out.
  • Actively working on the Do Now.

Participation points will be awarded weekly

  • Meet all four of the above = 1 point for the day
  • Miss any one of the above = 0 points for the day
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