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Adding blends

From: Revit Architecture 2013 Essential Training

Video: Adding blends

So, the pool table playing surface is coming along nicely, but unless we invent the antigravity device, we're going to need some sort of support to hold this thing up. So why don't we look at creating some legs here for the table, in this movie? And we could use really any of the forms here on the Create tab to create some legs, but in this movie I'd like to look at creating a blend, so that will give us an opportunity to look at a different kind of form. So, to start off with, I'm in a file called Adding Blend, and I'm going to maximize up my Floor Plan view, just to make it a little easier to see.

Adding blends

So, the pool table playing surface is coming along nicely, but unless we invent the antigravity device, we're going to need some sort of support to hold this thing up. So why don't we look at creating some legs here for the table, in this movie? And we could use really any of the forms here on the Create tab to create some legs, but in this movie I'd like to look at creating a blend, so that will give us an opportunity to look at a different kind of form. So, to start off with, I'm in a file called Adding Blend, and I'm going to maximize up my Floor Plan view, just to make it a little easier to see.

To start off with, we're going to need some new reference planes. So, on the Create panel, I'll come over here and click the Reference Plane button. And I'm going to create two vertical reference planes over in this location here. Now, you may notice that I'm making them wider than the pool table. That's actually deliberate because it makes it a lot easier to come back and dimension those later. Now, if I catch it while I'm placing them, I can actually highlight and edit this dimension now.

So, let me make that 2 inches, and let me make this one. Now, this guy here came in at a random number, so I want that one to be 6 inches. And then this one here also came in at a random number, and I want that to be 1 foot. So, my leg is going to fit into that little rectangular space right there. Now, when I flex my family, I don't want those reference planes to get left behind. Right now, if I were to go to Family Types and choose the 7 foot family and Apply, notice that those reference planes I just created are unaffected by that change.

So, I'm going to back to the 8-foot one, and I'm going to add some dimensions to prevent that. So, all we're going to do here is dimension from this reference plane to this one. Make sure that you're dimensioning reference plane to reference plane. This is why I said, "Draw them a little too long." It makes it a lot easier to pick them if they're longer; otherwise, you have to use the Tab key and try and find them. Let me lock that. So this reference plane to this one, and I'm going to lock that; this one to this one, and I'll lock that; and this one to this one, and I'll lock that.

And then I can select these two and its dimension, and mirror those to the other side. You don't need to mirror the horizontal ones because they go all the way across. And then I'll need to add one more dimension, this one to this one, and lock that. So now, if I go to flex and I choose the 7-foot size, watch that little inner rectangle when I click Apply, and you see how this time it maintains those dimensions as it gets smaller. So let's go back to the 8 foot, click OK, and we're ready to add our blend now.

So, a blend is basically an extrusion with two shapes. So, you draw a lower shape and then you draw an upper shape, and it blends between the two shapes. So, we'll go to the Create panel, we'll click on Blend, and I'm going to come over here and start with a rectangle. I want to change the Offset of that rectangle to 2 inches, and I'm going to snap right to the intersection of my new reference planes. Let me roll the wheel here just a little bit to zoom in and start right there, and start to drag out, and snap to here.

But before I click, notice how it's going larger than that rectangle? I actually want it smaller, so I'm going to tap the spacebar, and that puts it on the inside, and I'll click. Now, over here we have an Edit Top button, and if I click that, it completes that first sketch, and now we're editing the top sketch of the blend. I'm going to change the Offset back to 0, and I'm going to use this option right here, Radius. And I'm going to set that Radius to 2 inches, go to our rectangle, and this time snap right to the reference planes.

Notice when I click the second point what will happen. You see how the Radius option makes a rounded rectangle. So that's kind of nice. And I'll go ahead and lock these on all four sides, click the Finish Edit mode, and let's use this icon right here, Restore Down, to go back to our four tile windows. And we'll notice a couple problems right away. The first problem is the leg is sitting on top of the table and that's because, if we select it, its work plane is still set to the reference plane plane surface right over here.

And remember, in the previous movie, we could use the Edit Work Plane to modify that. Now, before I do, just let me zoom in here and show you what the blend did. You see how it's going from a rectangle and tapering up to that curved rectangle at the top, so it kind of gives a nice effect there. So that's the blend. So let's do Edit Work Plane, and we're going to choose from the named work planes, and we're going to put it back down to Reference Level right here, which we'll set it back at 0. So you see it drop down. Then over here in the Elevation view, I can just use this grip, snap it to that reference plane, and lock it.

And then finally, in any view, like this front view, I can go to Mirror and mirror it about the center. And I'll get a second leg over here. And let's zoom it out, hold down my Shift key, drag the wheel, and now that looks more like a proper pool table. So the Blend Form just takes two shapes--one for a base and one for a top--and it extrudes one shape into and transforms into the second shape. So, you take whatever the first shape is and along the height of the blend, it will transform itself into the second shape.

We've used that for the legs here of our pool table.

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This video is part of

Image for Revit Architecture 2013 Essential Training
Revit Architecture 2013 Essential Training

96 video lessons · 12692 viewers

Paul F. Aubin
Author

 
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  1. 1m 57s
    1. Welcome
      1m 2s
    2. Using the exercise files
      55s
  2. 14m 43s
    1. Introducing building information modeling (BIM)
      3m 0s
    2. Working in one model with many views
      4m 48s
    3. Understanding Revit element hierarchy
      6m 55s
  3. 54m 44s
    1. Understanding the different versions of Revit
      1m 19s
    2. Exploring the Recent Files window and the application menu
      5m 20s
    3. Using the ribbon and the Quick Access Toolbar (QAT)
      7m 12s
    4. Understanding context ribbons
      4m 43s
    5. Using the Properties palette
      8m 31s
    6. Using the Project Browser
      5m 34s
    7. Navigating views: Zooming, panning, and rotating
      5m 57s
    8. The basics of selecting and modifying
      9m 49s
    9. Accessing Revit options
      6m 19s
  4. 47m 6s
    1. Creating a new project from a template
      7m 42s
    2. Accessing a multi-user project with worksharing
      4m 16s
    3. Configuring project settings
      6m 33s
    4. Adding levels
      7m 40s
    5. Adding grids
      6m 23s
    6. Refining a layout with temporary dimensions
      6m 58s
    7. Adding columns
      7m 34s
  5. 1h 11m
    1. Adding walls
      8m 48s
    2. Using snaps
      6m 24s
    3. Exploring wall properties and types
      7m 37s
    4. Locating walls
      7m 27s
    5. Using the modify tools
      9m 32s
    6. Adding doors and windows
      7m 39s
    7. Using constraints
      8m 27s
    8. Adding plumbing fixtures and other components
      8m 39s
    9. Using Autodesk Seek
      4m 19s
    10. Using wall joins
      3m 0s
  6. 1h 11m
    1. Linking AutoCAD DWG files
      10m 59s
    2. Creating topography from a DWG link
      7m 43s
    3. Understanding CAD inserts
      7m 56s
    4. Import tips
      6m 49s
    5. Creating a group
      7m 10s
    6. Mirroring groups to create a layout
      5m 3s
    7. Creating Revit links
      5m 16s
    8. Rotating and aligning a Revit link
      7m 6s
    9. Establishing shared coordinates
      6m 5s
    10. Managing links
      6m 0s
    11. Understanding file formats
      59s
  7. 1h 13m
    1. Working with floors
      8m 57s
    2. Working with footprint roofs
      6m 22s
    3. Working with extrusion roofs
      4m 59s
    4. Attaching walls to roofs
      3m 17s
    5. Using the shape editing tools to create a flat roof
      6m 33s
    6. Working with slope arrows
      6m 0s
    7. Adding openings
      8m 33s
    8. Working with stairs
      8m 4s
    9. Adding railings to stairs
      3m 40s
    10. Working with ceilings
      9m 36s
    11. Adding extensions to railings
      7m 20s
  8. 48m 34s
    1. Creating a custom basic wall type
      10m 18s
    2. Understanding stacked walls
      8m 12s
    3. Adding curtain walls
      8m 17s
    4. Adding curtain grids, mullions, and panels
      10m 59s
    5. Creating wall sweeps and reveals
      6m 26s
    6. Exploring model lines
      4m 22s
  9. 47m 40s
    1. Using object styles
      4m 19s
    2. Working with visibility and graphic overrides
      7m 3s
    3. Using view templates
      6m 13s
    4. Hiding and isolating objects in a model
      6m 37s
    5. Understanding view range
      7m 7s
    6. Displaying objects above and below in plan views
      6m 35s
    7. Using the Linework tool
      5m 21s
    8. Using cutaway views
      4m 25s
  10. 21m 28s
    1. Adding rooms
      8m 15s
    2. Controlling room numbering
      6m 13s
    3. Understanding room bounding elements
      7m 0s
  11. 33m 13s
    1. Understanding tags
      9m 58s
    2. Adding schedule views
      7m 55s
    3. Modifying schedule views
      7m 12s
    4. Creating a key schedule
      8m 8s
  12. 58m 40s
    1. Adding text
      7m 29s
    2. Adding dimensions
      9m 6s
    3. Adding symbols
      4m 42s
    4. Adding legend views
      4m 51s
    5. Creating a detail callout
      8m 31s
    6. Adding detail components
      8m 52s
    7. Using arrays to duplicate objects parametrically
      7m 43s
    8. Adding filled and masking regions
      7m 26s
  13. 41m 29s
    1. Understanding families
      2m 37s
    2. Creating a new family from a template
      6m 29s
    3. Using reference planes, parameters, and constraints
      7m 52s
    4. Adding solid geometry
      8m 40s
    5. Cutting holes using void geometry
      5m 9s
    6. Adding blends
      6m 2s
    7. Completing the family
      4m 40s
  14. 38m 48s
    1. Adding sheets
      7m 44s
    2. Working with placeholder sheets
      5m 24s
    3. Aligning views with a guide grid
      5m 57s
    4. Outputting sheets to a DWF file
      6m 39s
    5. Exporting to AutoCAD
      5m 42s
    6. Plotting and creating a PDF
      7m 22s
  15. 2m 38s
    1. Next steps
      2m 38s

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