Isabella Lam is the designer and tutorial was in Bead & Button Magazine, August 2015. Pattern available online: https://store.jewelrymakingmagazines.com/product/digital-download/bbpdf150832
This necklace can be worn with either of the 2 sides showingn and can be worn twisted.
Materials used:
CzechMates 2 hole Triangle beads - Matte Metallic Copper
SuperDuo - Pearl Coat Teal
Miyuki Half Tila - Opaque Turquoise
O-beads - Crystal Sliperit
3mm Swarovoski Bicone Crystals - Blue Zircon
8/0 SB Toho TR-08-222 - Dark Bronze
11/0 SB Toho Takumi TK-11-2223 - S/L Dragonfruit (Toho Takummi-large hole)
15/0 SB Toho - PermaFinish Galvanized Starlight

copper split & regular jumprings
copper S clasp
Copper extension chain