Finish the neckline with a facing or bias tape for a clean, professional look.
For visual learners, many creators on YouTube offer detailed "Draft and Cut" tutorials for trendy tops that use these exact principles.
When drafting the back piece, you must account for the zipper:
Open the zipper teeth and press them flat with a cool iron.
Distance between the two peaks of the bust. 2. Drafting the Basic Bodice Block
Use a notch to mark exactly where the zipper should stop (usually at the top of the hip or base of the neckline). 4. Zip Installation (The "B_n_zip" Step)
Drop the outer shoulder point by about 1.5 inches to mimic the natural slope of the body.