Metal Sculptures Adriana chair, designed by Antonino Sciortino for Serax. Entirely made of metal in black color, Adriana is a chair with simple lines and an elegant design, ideal for any type of environment. This pot is designed to be used indoors. Cracks can form if the plant is planted directly in the pot. Metal Sculptures is a collection of handmade design objects, able to create a unique sculptural aura in every environment.