How to import cad drawings into Autodesk Revit How to import cad drawings into Autodesk Revit

Autodesk Revit is a popular three-dimensional building information modeling (BIM) software, and many users need to import CAD drawings into Revit for further modeling and design. In this tutorial, php editor Banana will explain to you in detail how to import CAD drawings into Autodesk Revit. We'll provide step-by-step guidance on importing issues, setup options, and best practices. Read on to learn how to easily and efficiently import CAD drawings into Revit to streamline your BIM workflow.

1. Four ways to insert multiple Revit models, and use the eTransmit plug-in to manage linked files

2. Common concepts of locations and coordinates

3. Get coordinates, Publish coordinates and elevation

4. Comprehensive application of shared coordinates in actual projects

The following will explain four ways to insert multiple Revit models and use eTransmit Plug-in method to manage linked files!

Insert 2DCAD

When the DWG file is a common two-dimensional plane drawing, we can introduce it into the Revit model by linking CAD (LinkCAD) or importing CAD (ImportCAD).

Method 1: Link CAD

The CAD model in Revit remains related to the original CAD. When the original CAD is modified, just open the management link and select the corresponding CAD to reload (Reload). It should be noted that this is a passive association. If you do not choose to reload, simply refreshing the Revit model will not automatically load the new CAD.

Method 2: Import CAD

When you choose to import CAD, the relationship between the CAD model in Revit and the original CAD model is disconnected the moment the import is successful, even if you are in the CAD model Even if updates are made, these changes will not be synchronized to Revit. To update these modifications to Revit, the original CAD model can only be deleted and re-imported. And the CAD loaded in this way cannot be found when opening the management link. This method is mainly used to import mature and complete node methods from CAD into Revit. There is a shortcut for importing CAD, which is to directly drag the CAD model in the folder into the Revit model.

Insert 3DCAD (for example, export the model from Plant3D or Civil3D)

Load the 3DCAD drawing into Revit. You can manually load it by defining the family/mass of Revit. Input method or DWGSyncforRevit plug-in method.

Method 3: Define Revit family/mass

Why should we define the CAD model as a family? The main thing is that it can be designated as a related category. Different categories correspond to different plane and elevation cutting and display methods in Revit. After specifying the 3DCAD model as a generic family (GenericFamily) and loading it into the Revit model, when a new floor is created, the plane automatically generated by Revit contains the graphic information of the 3DDWG model. Of course, you must be able to specify the filling method of the section plane and projection plane corresponding to the Revit category.

Method 4: Use the DWGSyncforRevit plug-in

Manually loading the manual method is relatively cumbersome. AutodeskLab has a product in the prototype (Beta) stage, DWGSyncforRevit, which is a free plug-in.

Using the DWGSyncforRevit plug-in, you can automatically perform the above steps with one click (DWGImport); if there are new CAD files, use the DWGSync command to update the 3DDWG file. This method is particularly suitable for multi-unit cooperation. For example, part of the project is a Revit model, and part is a Civil3D or Plant3D model.

Use the eTransmit plug-in to manage link files

When we use the link mode to work with the team, different link models are placed in different locations. If we need to share the model To others, or when you need to copy the model to a notebook for use, you often find that you forget to copy the linked model or only copy part of it. In addition, even if you copy everything, you still need to redefine the location, which is more troublesome. eTransmit greatly facilitates this. Just do it and see how it works!

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