The geometry of a double spiral

Paper size: 21x21cm Radius of first circle: 1cm I’ve been wanting to draw a sweet double spiral for the longest time but I could never figure out what the hell was actually going on there so I set out to figure out the geometry of the double spiral. Become a patron to support the channel and gain access to exclusive tutorials and real time drawings → ☾ Prints & other cool stuff → ☾ Art Supplies: Compass → Pens → Putty rubber → Straightedge → Watercolour paper → Bristol paper → Brush pen → Trammel heads → ☾ Discord → ☾ Subscribe! →