Lecture
The back and right side faces of the parallelepiped are in their own shadow. The edges separating the illuminated and darkened edges form the contour of their own shadow. They represent a straight private position, the falling shadows from which are built simply.
Building your own and falling shadows of a parallelepiped comes down to defining your own and falling shadows of faces - flat geometric objects.
In its own shadow are two faces of the parallelepiped AVLK and VSLM . Therefore, the falling shadow of the parallelepiped will be a set of falling shadows of these faces.
The faces of AVLK and VLM are rectangles of a particular position relative to the planes of the projections, therefore, to build their shadows, known methods of constructing shadows of flat figures of a particular position can be used.
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Descriptive Geometry and Engineering Graphics
Terms: Descriptive Geometry and Engineering Graphics