Control Geometry refers to the part geometry that controls the current operation. 3 Axis operations can use 2D curves and 3D curves and surface edges as Control Geometry. For 3 Axis operations, Control Geometry is divided into three possible categories: Containment Regions, Part Regions, Part Surfaces and Start Points. The Control Geometry tab has sub-tabs for selecting each of these categories of geometry from your part.
 Regions must be selected before they can be used in an operation. It should be noted that regions can be created and be present in a part file but if they are not selected in a machining operation then they will be ignored during toolpath computation. So creating a region does not make it active; you must use the Select Pre-Defined button before you Generate the toolpath.
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Region Type
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Configuration
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Xpress
(XPR)
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Standard
(STD)
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Expert
(EXP)
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Professional
(PRO)
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Premium
(PRE)
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Curve
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Surface Boundary/Edge
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Flat Area
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Features
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Pre-Defined
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Avoid Regions
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Start Point Regions
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