The ANSI 131 hatch pattern is the AutoCAD default hatch pattern.

More Questions from Sectional Views

• The section lines in all hatched areas for an object must be parallel.
• The Cutting Plane line reveals the type of material that the object is to be made from.
• Omit hidden lines from both halves of a half section whenever possible.
• If you set the ANSI 131 hatch pattern to an angle of 45 degrees the lines will be placed vertically.
• A section-lined area is always completely bounded by a visible outline.
• Removed sections should be labeled and arranged in order from right to left.
• Quarter sections expose the interior of one half of the object and the exterior of the other half.
• The preferred cutting plane line style is made up of equal dashes ending in arrowheads.
• The angle of revolution should always be less than 45 degrees for an aligned section.
• In offset sections, the bends in the cutting plane are typically shown in the sectional view.

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