(Brand: Artistic Wire, Colour: Natural Copper) and
12mm Dyed Turquoise gemstone beads
I learned it from Tina Holden's project, which was published in the
Step by Step Wire Jewelry, Spring 2009 issue.
Update (September 4, 2011):
Tina Holden is selling the tutorial for this project on Jewelry Lessons.
Click here to purchase.