Alternatively, the hole could have referenced the bottom surface, yielding a different effect when the model height is modified. This behavior (the hole referencing the top surface) is an example of the design intent that was built into this model. Notice that the parent/child relationship between the hole and the body of the model forces the hole to move upwards to maintain the 8 dimension. The height dimension is then modified to 24, and the model is Regenerated to update its features. In the following figure, the PISTON model has a height of 18.5, with a hole dimensioned 8 from the top surface. Also, if the parent features are updated, the child features will automatically update accordingly. When creating a feature, existing features that are referenced become parents to the new feature. Parent/Child relationships are naturally created between features during the modeling process. Parent/Child relationships provide a powerful way to capture your "design intent" into a model. This change will then automatically propagate through the remaining features in the model, updating the entire part. If a dimension of a feature is changed, that solid feature will update. Pro/ENGINEER Wildfire 2.0 models are driven using dimension values. Start Pro/ENGINEER Wildfire 2.0 using the newly configured shortcut.Enter (or paste in) the full path to the Intro_HOW folder.Right-click newly pasted shortcut and select Properties.Right-click on your desktop and select Paste Shortcut.Right-click the shortcut and select Copy.Assuming Pro/ENGINEER Wildfire 2.0 is already installed on your computer, locate the shortcut from the Start menu.For example: C:\users\student\HOW_INTRO-WF2.Browse to the folder created by the zip file.A plain drive letter (ex: C:\ ) is recommended, and is used for this tutorial.Extract the zip file to a location on your hard drive.
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