This looks like a bra pattern but I think it could be used to create a style bathing suit
Didn't click the link but the chart shows bra measurements for bra making.
Pattern for top/bra
How to make a bra from a base pattern.
The ultimate bra vocabulary Source: Enerie Fashion More Visual Glossaries (for Her): Backpacks / Bags / Beads / Bobby Pins / Boots / Bra Types / Belt knots / Chain Types / Coats / Collars / Darts /.