About Patterns

You can define crown parameters for circular patterns from the Crown Definition tab.

The below figure shows you how to define parameters. The black dot represents the object to pattern, the blue line the circle spacing, the pink line the crown thickness, and the green line the distance between the item and the rotation axis (R=0).

• Circle(s) and crown thickness: specifies the number of circles. They are spaced out evenly over the specified crown thickness.
• Circle(s) and circle spacing: specifies the number of circles. The distance between each circle, the crown thickness being computed automatically.
• Circle spacing and crown thickness: specifies the distance between each circle and the crown thickness, and the number of circles is automatically computed.

This section provides information about the position of objects for all kinds of patterns.

You can change the position of the selected cutout within the crown using the Row in angular direction option.

The Simplified representation option lets you lighten the pattern geometry, when more than 10 instances are generated in one direction. You only need to select the option, and click Preview. The system automatically simplifies the geometry. You can also specify the instances you do not want to see by double-clicking them. These instances are then represented in dashed lines during the pattern definition and then are no longer visible after validating the pattern creation. The specifications remain unchanged, whatever the number of instances you view. This option is particularly useful for patterns with a large number of instances.

When selecting the Radial alignment of instance(s), all instances have the same orientation as the original feature. When cleared, all instances are normal to the lines tangent to the circle.

Important: If you use the circular cutout as a reference element, the axial reference of the pattern is the same as the rotation axis of the circular cutout. As a result, when the cutout is duplicated, the first crown instances is superimposed on one another. To avoid this, clear the Radial alignment of instance(s) option so that the instances are properly positioned around the cutout.