Also found in the pet palette. This allows you to make the pattern larger or smaller graphically.

Use surface hatches for construction documents.
Keep a library of your custom .PAT files – don’t rely on a single project.
Name hatches clearly – “Brick_Common_75x225” beats “Hatch1”.
Assign hatches at the material level, not per element.
Test at multiple scales – what works at 1:50 may fail at 1:200.

Cause: You assigned a thick pen weight to the fill lines. Fix: Go to Fill Manager, select the hatch, and change the Pen to a lighter one (e.g., Pen 90 for light gray, Pen 5 for thin dark lines). Never use Pen 1 (black) for dense hatches.