Acrylic, technical pen, soldering iron, wood.
Wow. The hard geometric cut "plane" of her breasts, belly and thigh is so unique. It takes the 2d of the rest of her form and instantly transforms it to 3D in a sharp way. CREATIVE!
It is based on a drawing I saw in a "Graphic Art Materials Reference Manual". Some areas were modified in the painting. I'm happy you like it.