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How to create Slab Level Drop?

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    How to create Slab Level Drop?

    I appreciate if anyone can give me an idea how to draw the slab drop as attached.
    Do i need to create family? if can, how to do?
    Please someone guide me.

    thanks.
    Attached Files

    #2
    For the upper detail I like to create a special parametric Generic Model Void family with the "cut voids when nested" option checked (2012) and tell the void to cut the floor. Or prior to 2012 use a face based void family.

    For the latter a thickening is required so I lap two separate floors with one offset from the level...
    Chris Price
    Co Founder | BIM Manager | Product Designer | B.Arch (QUT)
    Xrev Revit API Add-ins | Revit Rants

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      #3
      Both the upper and the lower could be done as a facebased (or floorbased) generic family, containing nothing but a (parametric) void.
      Klaus Munkholm
      "Do. Or do not. There is no try."

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        #4
        Any video file?

        I tried but can't. Perhaps I don't really understand what the "parametric void" means.
        Any video file that i can learn to.

        Please.

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          #5
          Quick instructions below:
          • Create a new family on the "Generic Model - Facebased" template.
          • Create additional ref. planes above+below and left+right of the existing ones.
          • Dimension those, and add label to the dim. strings (Labels).
          • In Front view, create a new ref. plane below, and dim/label that as above.
          • Create a void extrusion, and lock it to the newly created ref. planes.
          • Use "Modify --> Cut" to cut the face with the void.
          But actually it´s faster to create the family, then it is to describe the necessary steps...

          Now, you just need to edit the extrusion to create the angeled drop below the slap :beer:
          (Hint: create the void from the front view...)
          Attached Files
          Klaus Munkholm
          "Do. Or do not. There is no try."

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            #6
            I would have to ask how large the "drop" is? Would you want the analytical model to be thinner in this region? If so I would use more than 1 floor.

            Erik
            Erik Snell, P.E.
            Factory Worker (Principal User Experience Designer)
            I am an Autodesk employee and the opinions or commentary I provide are my own and not necessarily that of Autodesk, Inc.

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              #7
              Originally posted by TheViking View Post
              I would have to ask how large the "drop" is? Would you want the analytical model to be thinner in this region? If so I would use more than 1 floor.

              Erik
              That would be my question as well, if they setdown is a local wet area, you would ignore the setdown in your analyis. But if this is a strip to a longer length of the slab, you would be best to model 2 slabs
              Revit BLOGGAGE

              http://www.revic.org.au

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                #8
                Thank you all very much.

                I have tried and found another way of creating slab drops.
                I actually wish to share by creating a video. Unfortunately, I don't know how to take video while i'm doing the Revit.
                Any software do you know for that?

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