Figure 9: Parallel or perspective projections. The projections in the first row are projections where the projection plane is orthogonal to the projection direction. These projections are also named axonometric by certain authors (Gourret, 1994). The projections in the second row are oblique projections, where the projection plane is not orthogonal to the projection direction. The trimetric projection is the usual case of axonometric projection. In the dimetric projection, two of the axes…
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