Create a new image, 400x400 with a white background (the size and background
color are for tutorial purposes and can be changed to suit your needs).
Use the Line/Arrow tool and draw a line from corner to corner.
Right click on the line and select Edit Path or (Shift + E) to edit the
path. Convert to Curve and move the nodes until you get the shape you
desire.
Right click and select Edit Attributes.
COLOR: Any You Desire
MODE: 3D Round
WIDTH: 9 (As Shown)
STYLE: Straight Line
BORDER: 9 (can be changed to any width)
DEPTH: 30
With Photo Impact 6 you have a lot of options. You can apply different
materials and shadows and you can always change the shape of the wire
with Edit Path.
<<Example shown with a copper
material applied to give it a metallic sheen.