Why is my hatch scrambled?
Sometimes when you attempt to hatch an area (especially in large coordinate drawings), the hatching can appear scrambled. The hatch pattern does not have enough precision to work properly in the larger coordinates. Use this simple workaround:
Issue the SNAPBASE command and pick a point slightly below and to the left of the area to hatch.
Hatch the area, it will look correct now.
Reissue the SNAPBASE command and put in 0,0 (or previous value).