MISSING VIEWS in Engineering Graphics - Draw in 2D by THINKING in 3D
The powerful but rarely used strategy for Missing View drawings is to first sketch a 3D isometric view, and draw the missing 3rd orthographic projection from this 3D view.
The 3D isometric view doesn't have to be scaled perfect like the Inventor Drawings in this video. A quick napkin pencil sketch is fine, as long as all the features are present. You will still line up your missing drawing from the 2 orthographic projections you start with using the miter line. You just use the 3D view to quickly identify faces that would be visible and hidden on the missing 3rd drawing.
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TIMECODES
0:00 Missing Top View with Horizontal and Vertical Faces
3:45 Missing Right View with Slanted Faces
6:38 Missing Right View with Cylindrical Faces