Datasheet

18
Part I: Introducing SolidWorks Basics
TABLE 1.2
Feature Types
Sketch Required Sketch Optional No Sketch (Applied Features)
Extrude Loft Fillet
Revolve Sweep Chamfer
Rib Dome Draft
Hole Wizard Boundary Shell
Wrap Deform Flex
In addition to these features, other types of features create reference geometry, such as curves, planes,
axes, surface features (Chapter 20); specialty features for techniques like sheet metal (Chapter 21);
plastics/mold tools (Chapter 24).
Understanding History-Based Modeling
In addition to being feature-based, SolidWorks is also history based. To show the process history,
there is a panel to the left side of the SolidWorks window called the FeatureManager. The
FeatureManager keeps a list of the features in the order in which you have added them. It also
enables you to reorder items in the tree (in effect, to change history). Because of this, the order in
which you perform operations is important. For example, consider Figure 1.16. This model was cre-
ated by the following process, left to right starting with the top row:
1. Create a sketch.
2. Extrude the sketch.
3. Create a second sketch.
4. Extrude the second sketch.
5. Create a third sketch.
6. Extrude Cut the third sketch.
7. Apply fillets.
8. Shell the model.
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