They are made from large pieces of corrugated cardboard, and are simple circles of varying diameters. They really make an easy job of marking out bowl diameters on boards and log halves. I have the diameters marked clearly on the edges, so it is really easy to find the right size.
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Categories: woodturning, bowl turning, logs, tools
Completely revised and updated, this classic is the definitive book on turning. With new techniques and up-to-date information on tools, this book is a great resource for every turner...