The subtractive sculptural method involves material not being used (i. e. carving out of a block of wood or stone).

saw or carve or remove

Explanation:

Subtractive sculpture is one of the methods used to carve wooden or stone sculptures. In this method, the unwanted or the extra part of the wood or the stone is carved out so that a finished sculpture is formed out of it. The artists starts to carve bigger product so that after eliminating some of the products, the complete product is given the shape. This method is the oldest method that the artists have been using to form sculpture.

photography had emerged as an elite art pursued by a few creative individuals for a few wealthy patrons. but now, said bauldelaire, it was succumbing to "the great industrial madness of our times." it was becoming a mass production industry that catered to middle-class tastes, including a taste for gadgetry. the stereoscope, the first 3d imaging system, had turned looking at photographs into parlor entertainment. a "thousand hungry eyes were bending over the peepholes of the stereoscope as though they were the attic-windows of the infinite.