Tailored Jacket Construct
The two-piece sleeve block has a slightly more complex construction than the one piece, I would recommend drafting a one piece sleeve first....
One of the ways to alter or correct the width of a sleeve is to make a cut from the top crown notch to the lower right hem edge (from K to R)
tailleur patterns - Pesquisa Google
055fe6dd2983dd9f96928218d4cdf277.jpg 640×836 piksel
Pattern cutting. Changing the shape and height of the sleeve-cap alters the angle that the sleeve joins to the bodice and how restricted or not the movement of the arm will be.
Shirt Collar and collar-stand curves