墨壺（すみつぼ）とは？【建築用語・土木用語・大工用語】 墨壺（すみつぼ）とは木材に直線を引く道具です。 Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window
