Choose a bracelet from your personal collection that you
Take a blank paper and using a scotch tape, stick
its edges down firmly to
Trace the inside circumference, keeping the
pencil at an angle such that the
tip touches the inner surface of the bracelet as you trace
Draw parallel straight lines touching the outmost
points of the circle.
Measure the length between the bottom and the top
line. This is the bracelet
diameter that you ideally want.