Key is an Einstein E640 in a 30x40 PCB softbox camera left. Two Alien Bees B800s in identical 12x80 Fotodiox stripboxes to either side and behind model. Blue splash on black seamless is a B800 with a 20º grid and barn doors and a full-size Rosco blue gel taped over it boomed high center and behind model and aimed down and back at the paper.
See setup shot in comments.
Sari: Model's own
Location: The Attic @ Twelve South First, San Jose