swimsuit are garments that are worn directly on the skin and stretch fabrics are used.
therefore is important to reduce the ease allowance 0 to 16 cm for circumferences and 0 to 6 cm for lengths.
swimsuit fabric is woven to create 4 way to stretch you can use nylon, spandex or combination of nylon and spandex.

you can found some fabrics here: https://amzn.to/2rxnj8U

by @amirasamira34

Materials:

•  fabric 
•  elastic
• thread

Measurements Required for Making a basic skirt for a little girls 

• Waist Circumference = 56 cm
• Hip Circumference = 64 cm
• Waist to Hip = 12 cm 
• Skirt lenght = 37 cm 

calculs : 

1/4 HIP + 1 CM EASE =  64/4 +1 = 19 CM
1/4 WAIST +1 CM EASE = 56/4 +1 = 15CM


THE TRACE OF THE FRONT AND BACK ARE IDENTICAL FOR THE GIRL SKIRT.

A-B = 1/4 HIP + 1 CM = 19 CM 
A-C1 = SKIRT LENGTH = 37
A-E = 1/4 WAIST + 1 CM  = 15 CM 
E-F = 1 CM 
D-C = G1-G
G-G1 = 3 CM 
G1-G2 = 1 CM 

How to make your own full circle skirt pattern. 

you need tow measurements: waist circ, skirt length.

• WAIST: measure around the body on the narrowest part of the waist
• SKIRT LENGTH: measure from the waistline to the desired length.

Photo by Tanja Heffner on Unsplash