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Introduction to Multiview Orthographic Projection Techniques

Learn about the concept of multiview orthographic projection, understanding hidden lines and center lines. Explore the differences between First and Third Angle Projection systems, along with an introduction to dimensioning using an isometric grid. This reference system involves two viewing planes that divide 3D space into labeled quadrants. Compare 1st angle projection (France, USSR, China) and 3rd angle projection (US, Japan, Taiwan) techniques.

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Introduction to Multiview Orthographic Projection Techniques

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Presentation Transcript

  1. Multiview Orthographic Projection (ref)

  2. Watch out for hidden lines and center lines

  3. First and Third Angle Projection 第一角法與第三角法 • A reference system of two viewing planes, horizontal and vertical. • These planes partition 3D space into 4 quadrants, which are labeled I, II, III, and IV.

  4. 1st angle projection (France, USSR, China)VS.3rd angle projection (US, Japan, Taiwan)

  5. Isometric Grid

  6. Introduction to Dimensioning(reference)

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