Basic Example: Absolute vs Relative Draw a $50 \times 30$ rectangle starting at $X=10, Y=10$.

Intermediate Example: Polar Coordinates Draw a $100\text{mm}$ line at $45^\circ$ from $(0,0)$.

Advanced Example: WCS vs UCS Drawing a feature on an angled face.

Case Study 1: Scaling Discrepancy A 1:1 building in Model Space is zoomed to fit an A3 viewport, measuring incorrectly.

Case Study 2: Annotation Scaling Text is legible in one viewport but unreadable in another.

Basic Example: Drawing Parking Stalls Draw 50 stalls measuring $2.5\text{m} \times 5.0\text{m}$.

Intermediate Example: Modifying Polylines A continuous path needs to be widened.

Advanced Example: Trimming Intersections Crossing lines need to form a clean corner.