I actually did bend it first and then tried to pierce it. However,
there are so many small piercings that it was very difficult to do
with the bracelet bent. Are there any other options?
It would seem that your option is to maybe begin the bending, into
an arc, pierce, then very carefully finish bending… I have always
found that bending or doming distorts pierced pieces and so it is
necssary to pierce last.
In the case of a cuff bracelet, though, maybe you could put the
pierced part temporarily in a “sandwich” to support it during
bending. That is, put copper sheet on both sides, with enough extra
all around to clamp, screw or rivet together. Bend, remove copper.
There may also be some way to bend the bracelet using a hydraulic
press if you have one available. The press is often gentler and
smoother han any hand operation.
Amazing, isn’t it, how much engineering and creative problem-solving
goes into jewelry making?