Revit Links and Importing CAD Drawings: Hidden Features Explained
As beginners in Revit, many of us are familiar with linking and importing CAD drawings to assist in creating project models. However, there are important differences and additional functions worth exploring.
1. The key difference between linking and importing CAD files is that importing allows you to break down the CAD drawing into components, while linking does not. See the example below for clarification:
2. Beyond decomposition, what else can you do with imported CAD drawings? To find out, let’s explore more about the component tools available in Revit.
3. First, select the floor slab. Then, go to the Modify tab and choose the Parts tool, as shown in the image below.
4. Next, click on Split Parts to divide the floor slab further, as demonstrated below.
5. Use the Edit Sketch function to modify the divisions, as illustrated below.
6. Select Pick Lines and choose the line types matching those in the CAD drawing, as shown in the figure below.
7. After selecting the appropriate line types, click OK to confirm your choices, as depicted below.
8. Now, switch to a 3D view. You will see that the floor slab has been divided according to the selected line types. This allows you to assign different materials to each divided section. To do this, select an individual slab section, go to the Properties panel, uncheck the box labeled By Original Classification, and then choose the desired material.
Tip: If the imported CAD drawing is not visible in your floor plan, try hiding the floor slab temporarily. Then, select the CAD drawing and adjust its Bottom Offset upwards in the Properties panel, as shown in the image below. This should make the CAD drawing visible.
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The Difference Between Linking CAD and Importing CAD in Revit
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