Sarah Veblen shares a wealth of information in answering this question: How far from the bust point should bust darts end?
How to Make Sure Your Bust Dart Position is Correct Before You Cut – SBCC Patterns
How To Sew And Transfer Darts - Sewing Beginners - Doina Alexei
Patternmaking Dart Manipulation Exercises – NOT A PRIMARY COLOR
How to Lower a Bust Dart Tutorial - Maven Sewing Patterns & Sustainable Haberdashery
A Dart is Just a Suggestion: Fitting Darts for Your Body
Adjusting Fit At The Bust – Part 1 – Bust level and Bust Point Apex – Modeliste Creative
How to Remove a Bust Dart from a Pattern » Helen's Closet Patterns
Tutorial: Lowering (or raising) a bust dart
Different Types of Darts Techniques in Pattern Making - Textile Learner
Advanced Fitting Series with Designer Stitch Darts: Essential Fitting Tools – Sew Busty Community
How to Easily Move Your Bust & Waist Darts to Fit Your Figure
ISSUE 78 - Rotating a dart on a bodice — In the Folds
ISSUE 78 - Rotating a dart on a bodice — In the Folds