From the course: Revit: Structural Families

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Cutting voids

Cutting voids

From the course: Revit: Structural Families

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Cutting voids

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- [Instructor] Voids are used when we need to subtract geometry from a solid object. This video has us creating an extrusion, then we're going to remove a portion of that extrusion using voids. So in Revit, under families, let's go to open. Browse where you're keeping your exercise files. I'm going to open my voids model. First thing we'll do is create an extrusion. So, in the project browser under views all, floor plans, make sure you're in ref level. Now, click the solid extrusion button. On the draw panel, click pick lines. Make sure the lock button is checked on. So we'll pick these four lines. Type TR for trim. Remember, pick the lines that you want to keep. On the mode panel, click finish edit mode. Let's go to a front elevation. Zoom in on your extrusion. Hit escape a couple times. Type AL for align. Select your top reference plane first, select your extrusion, click lock. Excellent, hit escape a couple…

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