My last post was on making a thin boxwood wedge for a card
Making such a small wedge using only hand tools poses lots
One concern is how to hold it while it is being made and how to
create a wedge with a very precise taper.
This post is on the method I use to create multiple wedges. I
have used this simple method for over forty years and employed
it extensively when I was making tapered steel cutters and
wedges for tiny luthier planes.
The gist of this technique is that a preform for a wedge is
placed in a slanting cavity carved into a piece of hardwood and
every bit of the preform that projects above the cavity is
removed by chisel paring and planing. I think this must have
been the method used in Sheffield to make hundreds of little
wedges all exactly alike but I have no proof of that.
Look at the photos and read their captions to see how easy it is
to make multiple wedges that are identical. I use the same
method to make tapered cutters by placing a piece of annealed
tool steel in an inclined cavity and draw filing away all the
steel that projects above the surface. Then the steel is
hardened and tempered.
The preform is on the left and a finished wedge is on the right
in this photo.
In between are my layout lines for an inclined cavity.
The inclined cavity is carved out in the exact taper of the
desired finished wedge.