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