Master the art of importing CAD files into Revit with our comprehensive guide. Learn to use link option for dynamic updates, effective color management, and accurate positioning for seamless integration of CAD files into your Revit projects.
Key Insights
- When importing a CAD file into Revit, it's advisable to use the link option instead of import for a more dynamic update. Using import as just a background can limit modification options.
- Setting the colors from preserve to black and white and checking the positioning from auto origin to internal origin aids in maintaining the accuracy of the design in the Revit project. This ensures that the zero point in AutoCAD matches the zero point in Revit.
- Revit allows for the integration of multiple models within one project, which can be helpful for large-scale projects or comparing different designs. This flexibility enhances the usability and functionality of Revit in architectural design and modeling.
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Now we're going to import the CAD file, and whenever we do this, I always recommend using the Link option instead of Import unless you know that you're going to be tearing it apart and using the line work as live line work within Revit. Using the Import as just a background isn't really good because you can't modify it or update it based on the original file, so when you think of a block in AutoCAD, you just import it in, and that's pretty static, but when you think of an Xref, you can actually reference that in and then it'll update as that other file updates and so a civil or a site plan background like we're using here this is a good application for that. We're going to go to Insert, Link CAD, we're going to go into our links folder here and we're going to use this xsitebase and this is the base file that we're going to use as our import.
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Now this is going to be part of our project and so whenever it is going to be part of our project and something that we're not going to remove, I always want to change these colors from Preserve to Black and White and I want to check my positioning and right now it's set to Auto—Origin to Internal Origin, and that's what we're looking for so it means, you know, the zero-zero point in AutoCAD aligns with the zero-zero point in Revit so that looks good there and I'm not going to check this current view only box because I do want it to show up in other views. Everything looks good here so I'm going to click Open, and then it should drop it in at the zero point. This was intentionally placed at this location here because this is the outline or roughly the outline of our new building and then we have our BIM 301 building—looks familiar to you, right?—sitting in here and what we can do now is we can take a look and just double-check to make sure if there's anything that needs to be removed or modified in any way and looking at it, it looks pretty good; it's pretty well set up there are some line weights that we can start changing and tweaking around but we're also in a position where we could bring in another Revit model and have two Revit models within our project.
