Ohio Rev. Code Ann. § 3505.10
(B) Below those instructions to the voter shall be printed a single vertical column of enclosed rectangular spaces equal in number to the number of presidential candidates plus one additional space for write-in candidates. Each of those rectangular spaces shall be enclosed by a heavy line along each of its four sides, and such spaces shall be separated from each other by one-half inch of open space. In each of those enclosed rectangular spaces, except the space provided for write-in candidates, shall be printed the names of the candidates for president and vice-president certified to the secretary of state or nominated in one of the following manners: