So the carpenter. — The process is described even more vividly than in Isaiah 40:19. For “the carpenter,” read the caster, the idol being a metal one. The image of lead or copper is then covered with gold plates, which are laid on the anvil, and are smoothed with the hammer; the soldering is approved by the artist, and then (supreme touch of irony) the guardian deity is fixed with nails, that it may not totter and fall.
Related Commentaries of Isaiah 41:7
Isaiah 41:7
7 So the carpenter encouraged the goldsmith,c and he that smootheth with the hammer him that smote the anvil, saying, It is ready for the sodering: and he fastened it with nails, that it should not be moved.