From Opian:
THE 90's SWIMSUIT
SÄNTIS is a one-piece swimsuit with a scoop back, sides and hips with a 90s touch.
Make your own SÄNTIS swimsuit with the help of this PDF sewing pattern ready to download. The file contains a pattern to assemble and easy to follow instructions with illustrations that will help you throughout the process. The total number of pages is 16 (4 pages for instructions and 12 pages for the pattern).
RECOMMENDED FABRICS
SÄNTIS is a model that requires a meticulous selection of fabric in order to optimize the fit. For the swimsuit to adapt well to the body, it is essential to choose a four-way stretch fabric with a great percentage of stretch (lycra, polyamide or nylon).