Well, you could file down a short length by holding a piece of wire
against the slope of your bench peg, pointing the wire away from you
and with a roughish file push away from you and turn the wire
slightly after each push or cut.
You can get a good taper with a bit of practice on a short length.
The Partial Draw and Reverse Draw Method.
If you want a long length you need a drawbench where you can see
what you are doing. Say you want to start at 2mm with a 0.5mm
downwards drawplate, taper the end of the wire, either using the
rolling mills or the technique I mentioned before, then insert the
wire into the 0.95mm hole and raw it through till near the end, say,
20mm, then reverse the drawplate and pull the wire back through, then
taper the end again and insert through hole 0.9mm and draw it through
the drawplate till 20mm from the previous stopping point. reverse the
drawplate and draw the wire back.
Repeat the processes till you have a nicely tapered wire.
You will have to decide on the degree of taper by shortening or
lengthening the length of each of each progressive partial draw and
When you have mastered this try to make a mirror image piece of wire
for a necklet.
You can also make tapered square wire using the rolling mills using
the same method, roll, reverse, turn, roll, tighten, roll, reverse,