Two synchronised spirals moving inwards, slightly offset, creating a moiré interference pattern in purple. This is created with code and drawn by plotter. 
 
Plotter: iDraw 1.0
Pen: Faber-Castell Pitt Pen with additional inks
Paper: A3 grey paper 250gsm
Year: 2023
Frame: Unframed
 
All of my creations are unique and signed.