Start from a basic block with darts. shape center back and reduce the back dart accordingly.

Draw the slash line for a french dart on full front.

Get a basic sleeve and cut it halfway.

Get the back and the back part of the sleeve.

Join them at the notches.

Do the dart manipulation on the front and align its sleeve as you did for the back.

Trace a copy and you should have this.

Join the two part of the sleeves to have a big block (back + sleeve + front) and draw neckline and collar.

Trace a copy of the collar, draw the slash lines for the volume of front pleats and cut it.

Redraw the collar with added volume and your bodice pattern is ready!

Draw a 1/4 of a circle skirt, add a couple of slash lines for the volume, cut and add the gathering amount you prefer.

Redraw the piece and you’re done!