This was my 2nd attempt at non-water marbling, but this time I used a fan brush I got with my nail brush set. I never really understood what it was for, so I thought I'd put it to good use :P
I used the same mehod as before, used a base, and blobbed on the colours, and then swirled them together with a brush. The final effect was a bit more defined than when I did it with a dotting tool.
I thought I'd define some of the swirls with some rhinestones, but I don't think it looked quite right in the end.