Modern sculptures, as an art form, are witnessing significant divergence from the ancient theory of sculptures. During the primordial times, sculptures were either made of ivory or clay. A few centuries later, basalt, diorite, sandstone and alabaster were employed. Superior quality sculptures and inlays were created with precious stones, such as copper, gold and silver.
Modern sculptures are technology friendly and therefore, less time consuming. These days famous personalities' sculptures like the George Washington bust are mainly created by carving, welding, casting or molding a variety of materials.
'Scrap' of course being recyclable materials which are left-over from vehicles and buildings. The modern term for this art form is 'scraptures'. It is a difficult form of art which requires an in-depth knowledge of mechanics. A small number of artists pursue it as a career and although still wanting in popularity, this art form is definitely very innovative.
Living sculpture is a type of sculpture involving creating artwork with living or recently harvested plants. Generally, three techniques of living sculpture are created: topiary, tree shaping and tree sculpture.
Glass sculptures are an extremely popular form of artwork created by a number of methods such as glassblowing, glass fusing and glass casting. Another unique sculptural form is the renewable energy sculpture.