I'm wokring on some parts that are extremely processor intensive, and was wondering if anyone had any suggestions on how I might improve the performance of adding features, etc. Imagine a screen door, in which it is necessary to model every hole. There are thousands of them. If I make an assembly that resembles the final part, by mating individual tiny parts together, the performance is not bad. But if I get all of these features into a single part, it's terrible. Any thoughts? Thanks.