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Technical drawing, drafting or drawing, is the act and discipline of composing drawings that visually communicate how something functions or is constructed. Technical drawing is essential for communicating ideas in industry and engineering .
Early examples of what would lead to more formal technical drawing practices included the drawings and geometric calculations used to construct aqueducts, bridges, and fortresses. Technical drawings also figured in the 12th-century design of cathedrals and castles, albeit such drawings were more typically produced by artisans and stonemasons ...
Even though technical analyses, and examination of artistic techniques had existed for decades, it is in this last quarter of the twentieth century that the truly collaborative, and most importantly interpretive, interdisciplinary study of technical art history established itself. [10] Technical art history as it is known in the 21st century ...
A blueprint is a reproduction of a technical drawing or engineering drawing using a contact print process on light-sensitive sheets introduced by Sir John Herschel in 1842. [1] The process allowed rapid and accurate production of an unlimited number of copies.
Technical illustrations can be components of technical drawings or diagrams. Technical illustrations in general aim "to generate expressive images that effectively convey certain information via the visual channel to the human observer". [1] Technical illustrations generally have to describe and explain the subjects to a nontechnical audience ...
In a 1965 review of A history of engineering drawing Chilton summarised the intention of this work: Booker is mostly concerned with engineering drawing in this history, and in particular of communication via the representation of three-dimensional objects on a two-dimensional surface; a means of communication, that is between the designer and constructor, since this particular communication ...
An engineering drawing is a type of drawing and is technical in nature, used to fully and clearly define requirements for engineered items. It is usually created in accordance with standardized conventions for layout, nomenclature, interpretation, appearance (such as typefaces and line styles), size, etc.
For example, in the Chauvet-Pont-d'Arc Cave (circa 30,000 BC), at least 13 different species have been identified. [2] In one prehistoric cave (circa 15,000 BC), there is a drawing of a mammoth with a darkened area where the heart should be. If this is indeed the intention of the illustration, it would be the world's first anatomical ...