This pattern is a manipulated version of the Lost Souls Shawl by Maryetta Roy that I have made into a shirt/ swimsuit cover. Her wonderful skull pattern was my inspiration for this piece.

https://www.ravelry.com/patterns/library/lost-souls-skull...

for this pattern you are going to need:

3.5mm hook(E hook)
#2 fine weight yarn(1,000-2,000 yards estimated)
Tapestry needle
Scissors