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You are here: Home / Revit / Adding Parameters to Revit 3D Family

Adding Parameters to Revit 3D Family

December 28, 2009 by Edwin Prakoso 2 Comments

In this Article...

  • Defining parameters for extrusion and blend profile
  • Defining Parameters for Reference Plane

Did you save your Revit family in this tutorial? I strongly suggest you to follow that tutorial first if you new to Revit family. If you lost the file somehow (or did not save it) You can download it here.

table - finished

We created a simple table as a Revit furniture family. Just like creating 2D profile, if you don’t need to change the family size, you don’t need to go further. Just to remind you again: you don’t need to create every single family as parametric family. It works well without parameters, unless you need to have them on different sizes, then you add parameters. It makes our life easier, doesn’t it? :)

But again, you may want to add some parameters to your family, so your users can change the family size.

Open the table family. We made 2 solid forms to create the table. One extrusion for the table base (bottom) and one blend to table top. First, we are going to find out how to add parameters to change the extrusion profile size.

Defining parameters for extrusion and blend profile

Select the table bottom. Click edit extrusion from your ribbon.

edit extrusion

We back to the sketch mode. We can edit the table bottom profile now. We just want to add parameters, not editing the geometry.

Select the 800mm dimension.

add parameter

From option bar, click the label dropdown menu. Select add parameter.

Give this parameter name ‘base length’ or something you like. Group this parameter under dimension.

parameter data

This is exactly like we did in adding parameters for 2D profile. Sure, we are editing 2D profile too here!

Here’s your challenge: finish the extrusion and blend profile by adding parameters.

Table bottom parameters

You need to define some types too, and don’t forget to flex the model to make sure everything is working.

Defining Parameters for Reference Plane

Defining parameters to your profile should be easy. Not that the next step difficult, but we have done the profile parameters before. Now, how can we define the extrusion height and blend height?

Just the same. We can add parameters in family properties panel, type tool.

add parameters

Create something like ‘table base height’ and ‘table top thickness’. That would be your extrusion height and blend height.

How to apply them? Just click the extrusion properties, then find the extrusion end parameter.

extrusion parameter

Click the small button on the right side, and choose available parameter.

*Tips: You can add parameter in this dialog box too.

As I mentioned before, basically creating family is just a repetitive task. I believe you can start to create your own family now. But we haven’t finished yet. We are going to discuss further how to use reference plane to control our family geometry.

About Edwin Prakoso

I work as a Solution Consultant in Datech Solutions, Tech Data Indonesia. I've been using AutoCAD since R14 and Revit since Revit Building 9. I occasionally write for AUGIWorld magazine and I am also active in Autodesk discussion forum. I'm a member of Autodesk Expert Elite, an appreciation for individuals who give contributions to the Autodesk community.
Connect with me on twitter or LinkedIn. If you want to have my new articles sent to your email inbox, you can subscribe to the newsletter.

Filed Under: Revit

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2 Comments
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inzu
inzu
9 years ago

Dear Revit advisor
i have a question. i want to make a model like a piece of furniture or entrance gate way in auto CAD then i need to insert it in family editor or in mass editing mode. but i need to add parameters for it.
i mean modelling in auto cad and adding parameters in revit.
is it possible?

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Edwin Prakoso
Edwin Prakoso
Author
Reply to  inzu
9 years ago

No, it’s not possible.
To have a parametric family, you have to create the objects in Revit.

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