I placed the fabric flat on a raised platform in a container. Put snow on top of it and sprinkled soda ash powder together with different dye powders on it. For this one I used Cardinal Red, Gunmetal Gray and Caribbean Blue. Left it like that till the next day. This is how the fabric looked after the snow had melted:
Keep in mind that for ironing soy wax out of fabric you need lots and lots of old newspapers.