Orthographic Drawing

• Orthographic Drawing - also known as Multiview Drawing
• Orthographic Drawing - involves visualization and implementation to be able to show the necessary informartion in any drawing presentation
• Orthographic Drawing - a system that allows you to make a 2d drawing of 3d object using 2 or more views
• Orthographic came from the Greek words: Orthos (straight) and graphos (to draw)
• Angles of projection in Orthographic Drawing: First Angle Projection and Third Angle projection
• First Angle Projection - used by many European countries, the object is projected onto planes from the first angle or quadrant
• Third Angle Projection - standard for the United States, third quadrant is used for this projection
• Most Used Views: Front View, Top View, and Right Side View
• Most descriptive view is typically designated as the Front View
• Views - the images, lines are formed on the planes by projecting the edges of the object onto the planes
• How many views are there?

  Six Views
• What are the Six Views?

  Front View, Back View, Bottom View, Right Side View, Top View, Left Side View
• Top View: shows width and depth
• Front View: shows width and height
• Side View: shows height and depth
• ALL OBJECTS HAVE 3 DIMENSIONS: HEIGHT (TOP TO BOTTOM), WIDTH (SIDE TO SIDE), AND DEPTH/LENGTH (FRONT TO BACK)