To Create an Associative Hatch (AutoCAD Mechanical Toolset)

1. At the Command prompt, enter AMASSOHATCH.
2. Select the area you want to hatch.
3. In the Boundary Hatch dialog box, specify the necessary settings for Type, Pattern, Angle, and so on.
4. Press OK.
5. Click in the area.

Note:

Only contours drawn on the contour layers (AM_0, AM_1 & AM_2) are considered valid boundaries to create a hatch.