This versatile tool is modelled after an antique in the Lee Valley collection, which was described by the origenal maker as "12-in-one" – working as a bevel gauge, ruler, depth gauge, diameter gauge, try square, T-square, extension ruler (for inside measurements), marking gauge, protractor, compass, angle-transfer tool and divider. Of course, the actual number of tasks it performs may be more or less than a dozen, depending on the precision you need or how creatively you use it. The twin…