I used Khaki Yellow, Yellow Vibrance, Orange Vibrance, and Fandango Pink micas, all from Nurture Soap Supplies.
I used squeeze bottles to draw straight lines:
After pouring the soap, I gave the mold several good spins clockwise. I stopped spinning when it started to look muddy:
I was really nervous to cut the soap, but was very happy to see the swirls inside! They all look so different!
another 2 bars of soap:
Many thanks Amy for organising the challenge! I love this technique and will be using it again!