# Timeline for How can I match the angle of projection from a book illustration?

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Mar 30 '17 at 13:06 history CommunityBot This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Feb 28 '17 at 12:34 history CommunityBot This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Jan 29 '17 at 12:27 answer timeline score: 1
Jan 16 '17 at 6:46 comment For anyone who's interested in pursuing this, I uploaded the model in STEP and STL here: grabcad.com/library/end-plate-2. Also (@Ricardo), is that one measurement 9/6? It's the only improper fraction in the drawing.
Mar 9 '16 at 16:15 comment Your illustration looks like an oblique projection. These were often used to simplify the drawing process, before computer graphics. If that is correct, the view does not correspond to any orthographic projection that gives a "realistic" view of the object (even if you ignore perspective). So you won't be able to reproduce "the exact same view" starting from "correct" 3-D geometry with modern CAD software. You could reproduce it by first distorting the geometry, e.g. by applying a shear transformation to the structure. See en.wikipedia.org/wiki/Oblique_projection
Mar 8 '16 at 17:10 comment Can't you take a given dimension (say 1 9/16), measure what the scaled dimension on the page is and use trigonometry? Also, you are assuming that the original image was draw "correctly".
Mar 8 '16 at 16:47 history edited
Generalize the question to be more broadly useful
Mar 8 '16 at 16:38 history asked