Straight
Glass decorated by using a cylindrical or truncated conical one-piece mold with a patterned interior. The mold produces a pattern of vertical ribs in the walls of a glass object. The straight pattern is not twisted.
Glass decorated by using a cylindrical or truncated conical one-piece mold with a patterned interior. The mold produces a pattern of vertical ribs in the walls of a glass object. The straight pattern is not twisted.