>>180051It is time to check the shape of the edge with a sharpening gauge (Figure 67). This gauge can be handmade
from a piece of cardboard, a small piece of brass, or even a piece of wood. See the illustration for the proper
shape of your edge. The angle is about 25 degrees, but is slightly convex. The gauge is exactly to scale and
can serve as a template (Figure 68).
Figure 67—Use a sharpening gauge to check the shape of the edge.
