artifact vs padding

Other hyponyms of artifact include article, facility, Americana, anachronism, antiquity, block, button, commodity, good, trade good, cone, covering, creation, decker, decoration, ornament, ornamentation, electroplate, excavation, duplicate, extra, cloth, fabric, material, textile, facility, installation, fixture, float, insert, inset, instrumentality, instrumentation, means, bed, layer, lemon, stinker, line, marker, mystification, opening, cushioning, plaything, toy, ready-made, restoration, flat solid, sheet, sphere, square, squeaker, slip, strip, construction, structure, surface, thing, track, way, weight, building material, pavement, paving, paving material.