Modify the part and add complexity

- [Instructor] Another question you may see in the exam…is to take a part we've already created…and then add some complexity, like adding a feature.…Maybe it's a hole, maybe it's a boss,…maybe it's modifying the entire part,…or maybe it's a combination of all of those.…You might have to make the part a little bigger…or modify the equations, then add something to it.…So in this case here, I'm going to add…a couple of bosses.…So I'm going to go over here.…Now instead of starting right over here,…notice I've got this mirror feature.…I'm going to go ahead and roll the history bar back…before that, so I'm only working on…one half of my part.…

I'm going to come over here and click on…the surface right there.…Click on Sketch.…Starting a sketch here, I'm going to just go ahead…and draw a circle here and a circle down here.…Because I do want to create a through-hole…in the center of this boss, I'm going to create that…as a secondary feature.…I always recommend creating solids first…and then cutting the holes last,…because a lot of times in the exam,…