What is your native language? I plan to work on a tutorial for a skirt, I wanted to do that in English and German. I am about halfway through the English one, I only wanted to finish my shirt first.
If it is of any help for you, I could bring forward the German skirt.
Btw, English is not my native language, too You write very well.
You could also ask questions here in the forum if it is the function in Seamly2D/Valentina that makes you struggle; I can not construct a bra but there are a lot of functions that are used in like every construction of a pattern