Case Study 1: L-Shape Projection Projecting an L-shape block. Which faces show the exact L outline?

Case Study 2: Cylinder Projection Projecting a vertically standing cylinder.

Case Study 1: First Angle Top view is placed below the Front view.

Case Study 2: Third Angle Top view is placed above the Front view.

Basic Example: Dimension Limits Dimensioning a plate $100\text{mm}$ long with 2 holes.

Intermediate Example: Tolerance Stack-up A part has 4 sequential dimensions of $25\pm1\text{mm}$.

Advanced Example: Hole Dimensioning Dimensioning a pattern of circular holes.