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