To create a pattern of holes with adjustable sizes for each instance, which method should be used?

Using the method of creating a hole feature and then employing the Pattern Feature is the most effective approach for generating a pattern of holes with adjustable sizes for each instance. The key advantage of this method is that it maintains the associative relationship of the original hole feature when patterns are created.

When you create a hole feature first, you can define parameters such as diameter, depth, and other attributes that can be easily modified later. By using the Pattern Feature tool, you can replicate this hole across multiple instances while still allowing for individual adjustments to the parameters of each instance, making it easy to create a complex design with varying hole sizes.

This method enhances design flexibility and control, giving users the capability to quickly modify the properties of each hole in the pattern without the need to regenerate each one individually. This characteristic is particularly beneficial in complex assemblies or when dealing with iterative design changes where adjustments to dimensions are frequent.

Other methods may result in a labor-intensive process, where flexibility and ease of modifications might be significantly reduced.