The Solenoid coils in warmer inks: Magenta, Light Orange and Turquoise Green Ecoline, drawn with a 2.4 mm parallel pen on white Fabriano paper. EDITION: 1 SIZE: A2 (420 x 594 mm / 16.5 x 23.3 in) YEAR: 2021 PEN: Parallel pen 2.4mm INK: Ecoline watercolor Magenta 337, Light Orange 236, Turquoise Green 661 PAPER: Fabriano White White 300g/m²