Relacionar Columnas Making a squared base plateVersión en línea Match the answers to the questions about the work process of making a squared base plate. por Lisa Klotz 1 2 3 4 5 6 Use a centre punch and a hammer. You mark the holes that you are going to drill. First rough the surface with a file, then finish it with a finishing file. Cut it with a hacksaw. Use the column drill. Check them with a square.