For up part I used a yard and a for the gathers I used 2 and half yards.. but it all depends on how long the upper part will be and haw full you want the gather’s.
@stellaegwim2310 no dear i forgot to draw out our that line in the back bodice But what I am saying is if you forget to draw it out on paper it fine just remember to take you dat when sewing on fabric
Ur teaching isnt good ,u said its beginners friendly but its not,the 2inch allowance you are suppose to tell us, one for dart replacements and the other for sewing allowance