"door hinges" and "the digital age."
"Truth to materials is a tenet of modern architecture (as opposed to postmodern architecture), which holds that any material should be used where it is most appropriate and its nature should not be hidden. Concrete, therefore, should not be painted and the means of its construction should be celebrated – by, for instance, not sanding away marks left by timber shuttering."
“There should be no features about a building which are not necessary for convenience, construction, or propriety…The smallest detail should…serve a purpose, and construction itself should vary with the material employed.”
"A belief that the form of a work of art should be inseparably related to the material in which it is made. The phrase was much used in aesthetic discussions in the 1930s and is particularly associated with Henry Moore, who in Unit One (1934) wrote that ‘Each material has its own individual qualities…Stone, for example, is hard and concentrated and should not be falsified to look like soft flesh…It should keep its hard tense stoniness.’ Although in theory the idea could be applied to any material, in effect it was used by Moore as an argument for direct carving, as practised by himself and contemporaries such as Barbara Hepworth. Moore later admitted that the idea of truth to materials had become a fetish and in 1951 he conceded that it should not be made into a criterion of value, ‘otherwise a snowman made by a child would have to be praised at the expense of a Rodin or a Bernini’. "
image, altered, but appearing somewhat the same: A good large Gothic Revival leaf cast and pierced brass double-sided door hinge, circa 1840 Attributed to A W N Pugin for John Hardman & Co. (via Bonhams' Auctions)