This function flips the normal of an open object. Its main use is when adding catalog components to a open object and there is no access to the Invert option. In the examples below the object normal has been flipped. This can be seen when the Outside Direction of the object is diagnosed.
The following is the Feature Guide for Object Direction.
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Remember: You can open the Feature Guide at any time on the graphic display by right-clicking. |
Auto
This option lets you pick the reference object, flip the direction if required, and then pick the entire object to arrange its normal as the reference object.
Pick the reference object:
Click the arrow to flip the direction:
Click the Select
All icon 
then pick the object:
Select Tools / Arrange Normal from the main menu. The whole object appears in white indicating that its normal is according to the reference object:
Manual
This option lets you manually pick each object and flip its normal. It is useful in cases where the body includes several lumps as it allows each lump to be flipped individually.
Pick each object individually.
Each object is immediately displayed in white indicating that its normal is flipped.:
