Isometric EllipseRH

# Isometric EllipseRH - First-Year Engineering Program Goals...

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First-Year Engineering Program P. 1 Introduction to Isometric Ellipse  Goals Sketching of ellipse for isometric drawings Introduce concepts and conventions of  orthographic projections Reference Technical Graphics, Chap 4

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First-Year Engineering Program P. 2 Agenda Recall - Last lecture on sketching we  developed an approach to doing an isometric  projection Today - Build on that base and learn how to  do circular features (holes and cylinders) in  an isometric projection
First-Year Engineering Program P. 3 Sketching a Circle 1. Draw a square whose sides are the diameter of the circle. 2. At the center of each side define the point of tangency for the circle. 3. Draw the diagonals of the square. 4. Orient the paper so you can draw equal arcs to construct the circle

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P. 4 Isometric ellipses In an isometric drawing, the object is viewed  at an angle, which makes circles appear as  ellipses. Holes
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Isometric EllipseRH - First-Year Engineering Program Goals...

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