Note: â¢ X : parts extracted from the component side. â¢ Y : parts extracted from the conductor side. â¢ r : Through hole. â¢ b : Pattern from the side which enables seeing. (The other layerâs patterns are not indicated.) Caution: Pattern face side: (Side B) Parts face side: (Side A) Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated.