Hello. We are going to take a look at links and data in Revit. And in this particular lesson, we're gonna take a look at linking in other Revit models. Now before we get started, I'd like for you to note that I am using Revit, the full version, 2022, and I have opened up the Links and Data project from my exercise files. You can use Revit LT in this lesson. So once you have both of these established, let's go ahead and follow along. Now as you work with Revit, there will be times where it's going to be useful for you to collaborate with other people who have other models. They can be in other disciplines or they can be in the same discipline as you, but just have additional models that you need to collaborate with. To do this, we're going to be linking in their models. On my screen, I have opened up the Level 1 floor plan, and I'm going to link in another model to my existing Revit project. So to do this, I'm going to go over to the Insert tab across the top, and in here on the Link panel, we're gonna go over to Link Revit. As I hover my mouse over here, make sure that you're in the Link Revit button. Click once, and the Import/Link Revit dialogue box appears. In this dialogue box, I'd like for you to select Link 2rvt file from your exercise files. Down here at the bottom, the link name should read Link 2rvt, the files of type will be rvt as well, and the important part that I want you to pay attention to is the positioning. This is where you're gonna control how the link model is going to be actually placed inside of your existing model, which is our Links and Data model. The default option right now for me is Auto - Project Base Point to Project Base Point. We're gonna click the down arrow here, and we can see that there are plenty of other options that we can use to position our linked models. The top option here for Auto - Link Center to Center is going to try and match the geometric center of the link model to the geometric center of your current model. The Auto - Internal Origin to Internal Origin option, this is going to actually link in the two models based on their internal origins. We'll take a look at the Internal Origins in a second. The Auto - By Shared Coordinates option, this option will be chosen if both of your project and files were set up using the same Shared Coordinate system. For our particular purposes, this option is not gonna work for us because our projects were not set up using a Shared Coordinate system. Then there is the Project Base Point to Project Base Point. This option is chosen when you're going to place the objects or the linked files by Project Base Point. And, again, we will take a look at the Project Base Point in a second. And these last three options down here are for the Manual placement, either by Internal Origin, by Manual - Base Point, or by Manual - Center to Center. And what this Manual portion of the names mean, it's going to use the insertion point for placement by either the Internal Origin, if you choose Manual - Internal Origin, or Manual - Base Point, the insertion point will be at the Manual - Base Point, or Manual - Center, the insertion point will be at the geometric center of your links. For this purpose, we're going to go back up and choose Project Base Point to Project Base Point. So I'm gonna click away to make sure that that's accepted, and now I'm just gonna click on Open. When I do this, my Revit file, called Link 2, is brought in. Now to see the Project Base Point that it was brought in by we're gonna type in vg, for visibility graphics, on our keyboard, and that brings up the Visibility/Graphics dialogue box. I want you to scroll down after making sure you're on the Model Categories tab. We're gonna look over here in the Visibility column here. We're gonna scroll down to the Site section. So once I get to Site, let's hit the plus here to expand that, and I want you to turn on the Project Base Point. So I'm gonna click that, and I'm gonna hit the Apply button. So once I do that, let's move my mouse away, and I can see the Project Base Point. That's what this is right here. Next, I want you to turn on the Internal Origin. So click over here to turn on the Internal Origin, and let's hit OK. So, for our example, the Internal Origin and the Project Base Point are at the exact same location. So we could have chosen either one of those options to place this, and this link model would've came in at the exact same point. Thanks for watching this lesson. Join me in the next lesson, where we will take a look at linking and importing CAD files.