Anything made by artificial means is called an artifact.
"Tom Swift in the Land of Wonders or, The Underground Search for the Idol of Gold"
Victor Appleton
The nature which science defines is an artifact or construct.
"The Approach to Philosophy"
Ralph Barton Perry
These skilled men worked together like tireless oxen under the unflinching eyes of the sweating, dirt-streaked Foundryman, the traditional Task Master of their Trade, and could readily produce any sort of cleverly carved and molded artifact, and an endless variety of molten and engraved idols and gods of all sizes, shapes, and descriptions.
"Si'Wren of the Patriarchs"
Roland Cheney