Detail group revit

Detail group revit DEFAULT

Masking can be a real pain in Revit.  Sometimes you just want to hide some bits of geometry on multiple views, but it is difficult to actually model what you want in 3D.  So you may resort to Masking Regions in Detail Groups, Copy-Paste Aligned – but all of that is suboptimal.

Today there was a great tip on Masking in multiple views over at Shades of Grey:
I could use a masking region, but this is like going back to CAD drafting … separate regions in each affected view.  What if I place the mask into a generic model family?  If this family has a vertical model line (use invisible lines) the masking region will show up in any plan where the cut plane intersects the model line.

Extending this idea into 3 dimensions I can create a family with 3 model lines (X,Y,Z) and 3 masking regions.  Give it instance parameters to control the size of this “virtual box” and it will mask out the finish layers for any view that cuts through the duct at right angles.

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Tag: Revit Attached Detail Groups

Efficiency is at the heart of BIM processes. Revit as a software has oriented itself with a laser focus for producing data efficiently and accurately. Thankfully, this led to the implementation of Revit Groups – thank god for that! If you have yet to experience using groups in Revit yet, I have you covered.

The question to start with answering is this – How do you make a Group in Revit?

Groups in Revit are easily created. Select the model and annotation geometry you want to include in the group. In the Modify | Multi-select Tab select the Create Group Icon. When the Revit Group Dialogue menu opens Name Both your Model Group and Attached Detail Group. Press OK. You have now created your first group in Revit!

So, now we understand the fundamentals of creating and using Groups in Revit, let’s work through the example tutorial below to learn the full process and any nuances that need to be highlighted.

Note: I have created an accompanying video that illustrates each of the steps below on How to Make, Edit and Use Groups in Revit. It is embedded below if that is your preferred learning format, so I hope you enjoy it! If you prefer a more linear, methodical approach of how to create, use and modify Groups in Revit proceed below the video for a step-by-step written account complete with descriptor images.

I would recomment Users download theRevit Model hereso the Groups functions can be reviewed in real time alongside the tutorial below.

Step 1: When should you use Groups in Revit?

You should use Groups in Revit whenever you have a series of arrangements that are replicated numerous times throughout a project. To give examples of this, you may want to use Revit Groups to create the interior fit out of a Hotel room.

As hotels are prone to having 100’s of rooms, you can streamline the edits across the entire project by merely having a group of each room type which is then arrayed into all of the required positions. The advantage of using Revit Groups in this way means you can update , for example, hundreds of repeating room arrangements by simply editing the internal layouts of the room in the group. All other instances will automatically update to reflect the change!

Of course hotels are not the only example. Apartments, office suites, dental surgeries, doctor surgeries, laboratories etc. may all have numerous instances of each layout within a project. Revit Groups make the development and control of repeated Revit model information far more efficient than normal modelling methods.

Step 2: Model Groups vs Attached Detail Groups in Revit.

There are two types of Groups in Revit – Model Groups and Detail Groups.

Model Groups consist of all 3D data that is selected and added into a Group (walls, doors, structure, equipment etc)

Detail Groups consist of all 2D data that is selected and added into a Group (dimensions, annotations, text notes etc)

When you select and add both Model and Detail items into a group, you create both a model group as described above as well as an Attached Detail Group.

An Attached Detail Group in Revit is a group of 2D data that you have assigned to the corresponding 3D data, such as Room Tags, Wall Tags, Door and Window Tags, Dimensions, General annotation etc. The visibility/assignment of the Attached Detail Groups can be toggled on or off from the parent model group.

Step 3: How to Make Groups in Revit

  1. Select the 3D Geometry and 2D Detail elements which you want to Group.
  1. In the Revit Tool Ribbon the Modify | Multi-Select menu will appear. Select the Create Group tool.
  1. Once the Create Group Dialogue opens you will be prompted to name the Model Group and the corresponding Attached Detail Group as shown below:
  1. You should now have a completed Model Group with Attached Detail Group, as shown.

Step 4: How to Edit Groups in Revit

To edit groups in Revit you can do the following:

  1. Select the Group which you would like to edit.
  2. In the Modify | Model Groups tab which appears, select Edit Group.
  1. You can now freely alter the setting out, family types etc within the group. You will know you are actively editing the group as the window will turn to an off white/yellow tone and grey out all elements that are not part of the Revit Model or Attached Detail Group which you are editing.
  1. Press Finished when you are done.
  2. You have now successfully edited the Revit Group. In the example images below you can see that the Dividing wall location between the Kitchen and the Open Plan Office Space was relocated in the group. You will also notice that every instance of that group is also updated with this change.

Step 5: How to Add elements to a Group in Revit.

You can Add new items/elements into any group by simply doing the following:

  1. Select the Group which you would like to edit.
  2. In the Modify | Model Groups tab which appears, select Edit Group.
  3. Once in the Group Edit Mode, Select the Add Tool.
  1. Click on the elements outside the group which you would like to add to the group. Note how they change from being greyed out to being as legible as the other elements within the group.

Step 6: How to Remove Elements from Groups and Ungroup in Revit

To remove elements from a Revit group, you can follow the same steps above with the one exception.

  1. In the Modify | Model Groups tab which appears, select Edit Group.
  2. Once in the Group Edit Mode, Select the Remove Tool.
  1. Click the elements within the group which you would like to remove. As before, the element presentation updates. However, this time it falls away to a light grey rather than the same bold presentation of the remaining elements within the group.

Finally, you may wish to ungroup all elements completely. To completely remove grouping of all elements do this – Select the Group, and select Ungroup from the Modify | Model Groups ribbon that appears.

Step 7: How to Duplicate Groups in Revit

To duplicate a Revit Group, do the following.

  1. Select the Group you wish to duplicate.
  2. In the Properties Tab, select the Edit Type button to open the Type Properties menu.
  1. Select Duplicate from the Type Properties Menu.
  1. Type in the name you wish to call the duplicate Group and Press OK.
  2. Press OK in the Type Properties Menu to confirm the Duplication of the Group

Done – you should now have successfully duplicated the Group in the Revit Model.

Step 8: Move a Revit Group to a Separate Linked Model

To push a group out into an external model which is then relinked into place rather than hosted directly in the parent file, do the following.

Select the Group which you would like to create an Independent model of.

  1. In the Modify | Model Groups tab which appears, select Link.
  1. Select Replace with a New Project File
  2. Type in your desired Group Name (or leave the File Name Field as “Same as Group Name” if you want to carry the group name out into the external Model)
  3. Ensure that the Include Attached Detail Groups as Views checkbox is ticked.
  4. Navigate to the location where you want to save the link. Press Save.

Done! You have now moved your model group out of the parent file and saved it as an external model which has been automatically linked back into the same location. Now this group can be worked on independently of the main model if required or shared out among numerous other models where required.

Step 9: Done and Dusted!

I hope that you have found this useful and that you now have an in-depth understanding of the primary topics covered in the above:

  1. When should you use Groups in Revit?
  2. Model Groups vs Attached Detail Groups in Revit.
  3. How to Make Groups in Revit
  4. How to Edit Groups in Revit
  5. How to Add elements to a Group in Revit.
  6. How to Remove Elements from Groups and Ungroup in Revit
  7. How to Duplicate Groups in Revit
  8. Move Groups to Seperate Models for linking

You should now be in a very strong position to meaningfully begin creating and controlling Groups in Revit.

Do you have any other suggested tips? Please let me know in the comments below, or follow me on any various platform (Youtube, Twitter, Buymeacoffee etc.). I also highly recommend joining the Free 8020BIM Discord Community – there are some smart buttons over there and we enjoy helping each other out and discussing our Revit, BIM, Navisworks, CAD and general AEC problems and topics.

Make sure to subscribe to the 8020 BIM Newsletter to get notifications of my personal Revit revelations and upcoming handy tutorial posts just like this.

Become an 8020BIM member (click here) to get free access to all models (see Extras) generated within these tutorials as well as exclusive access to the 8020BIM Community Discord ServerMembers Channels. If you make a contribution please leave a short note so I can respond and thank you personally.

See you for the next one.


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Autodesk Revit Tip - The Devil is in the Detail-ed Group

Autodesk Revit Create GroupGroups in Revit are a convenient way to place common elements multiple times in a project or family e.g. hotel rooms, apartments or repeating floors.

With each instance of a group that you place, there is associativity among them. For example, you create a group with a bed, walls, and window and then place multiple instances of the group in your project. If you modify a wall in one group, it changes for all instances of that group, simplifying the modification process.

Groups are created easily by selecting the model objects and then from the Ribbon select Create Group. Named the Group, press Enter and voila, job done.

The group can then be copied or placed by ‘drag and drop’ from the Project Browser> Groups> Model> ’Group Name’.

Groups can then be edited by picking the placed Group and then from the end of the Ribbon selecting Edit Group. Objects can be added or removed and / or modified. Clicking Finish will save the changes and all occurrences of the Group will then reflect the changes made.

Autodesk Revit Edit Group

So now to the title of this blog. The devil is in the detail.

Model Groups can only contain model geometry e.g. walls, doors and windows.

There are 2 ways of adding the annotations to the group.

Prior to creating the Model Group, place the required annotations (objects which are View dependant). When the Create Model Group dialog box opens, you will now realise that the full name of the dialog is actually Create Model Group and Attached Detail Group.

Revit will automatically create a Detail Group of any annotations selected and use a default name of Group 1. Rename this so that it refers to the Model Group name.

Autodesk Revit Create Model Group and Attached Detail Group

The second option is useful if the annotation is placed after the initial Model Group was created.

Select the placed annotation and under the Ribbon Annotate tab> Detail> Detail Group> Create Detail.

Name the Annotation Group and assign it to the relevant Model Group. Now whenever the Model Group is placed, it can be selected and the relevant Detail Group assigned. From the Ribbon> Modify Groups> Attached Detail Group.

Autodesk Revit Attached Detail Groups

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How to use Model Groups - Part 1- Revit 2020
Revit Groups are like AutoCAD blocks. Draw a couple of lines and group the selection. Copy multiple instances of the group and then edit one of the grouped objects. You'll notice that the changes you made will propogate to all the other similar groups. Go to File... Save to Library... Save Group and Groups will be saved to RVG files. We use Detail Groups a number of ways.

Let's say you want to add multiple line text like revision dates to your titleblock. Just add the dates with the text tool to one of your sheets and group the new text. Copy the group (Ctrl+C). Go to another sheet. Now go to Edit... Paste Aligned... Current view and Revit will paste the text in exactly the same spot on your new sheet. Do the same for all your sheets. Now you can edit your grouped text from any sheet and the changes will propogate to all the other sheets.

Now let's say you want to build a library of Typical Details. Draft your typical detail in a Drafting View and group the selection. Go to File... Save to Library... Save Group and Groups will be saved to RVG files. At the moment there is no thumbnail viewer for RVG files so plan on creating hardcopies in a details binder or you can create Detail Project files with all your roof details in one project file. With a dedicated Detail Project file you can copy and paste drafting views from one project to another.

Update: 03/07/06
I understand Revit 9 will have a Details Library and tools for saving and reusing Drafting Views.

Group revit detail


Revit Groups are Awesome! How to Make and Edit Revit Groups


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