See references images here.

Mix; 25 grams ferric ammonium citrate with 100ml water

Mix; 10 grams potassium ferricyanide with 100ml water

Set for 24 hours to disolve

Mix equal parts of each chemical and water in a jar

Paint on to fabric in dim light (no UV light)

Dry overnight in a dark place

Bag in lightproof bag once dry or until ready to print

Expose to light for 1 hour or more depending on sun levels

Press items to fabric with clear glass or pespex

Wash off with water and dry

Before + after

© Jess Hay
artist based in Glasgow