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Export Revit Family to CAD BLock

14 ANTWORTEN 14
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Nachricht 1 von 15
GHASEM_ARIYANI
7121 Aufrufe, 14 Antworten

Export Revit Family to CAD BLock

 

When exporting the components and any family of each revit floor to Autocad Separate blocks are formed.

AutoCAD file size rises.

How can just one block of any type Exported.

 

 

https://knowledge.autodesk.com/community/screencast/6ce80738-02e4-4681-b236-e1481c33ca70

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Nachricht 2 von 15
Sahay_R
als Antwort auf: GHASEM_ARIYANI

Do you mean separate blocks or External References? You can uncheck the External References box.

 

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Rina Sahay
Autodesk Expert Elite
Revit Architecture Certified Professional

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Nachricht 3 von 15
GHASEM_ARIYANI
als Antwort auf: Sahay_R

 

Hello

Thank you for your reply

But this method does not solve the problem

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Nachricht 4 von 15
kadmonkee
als Antwort auf: GHASEM_ARIYANI

each instance of the family (regardless of types) has its own ID number.

"door" has 12 types in Revit the model has 45 instances in the model it will create 45 blocks

Autocad does not breakdown this information, it simply creates another block.

now depending on how complex the family is will certainly create large file sizes when exported to AutoCAD.






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Nachricht 5 von 15
GHASEM_ARIYANI
als Antwort auf: kadmonkee

 

Hello @kadmonkee

Thank you for your reply

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Nachricht 6 von 15
RobDraw
als Antwort auf: GHASEM_ARIYANI

Revit does this because each instance of a particular family type can have different properties.

 

You can replace the blocks in AutoCAD for cleaning up the files.


Rob

Drafting is a breeze and Revit doesn't always work the way you think it should.
Nachricht 7 von 15
krozturk
als Antwort auf: GHASEM_ARIYANI

so,did you find any solution for it:)

Nachricht 8 von 15
RobDraw
als Antwort auf: GHASEM_ARIYANI

It's not something that can be solved at the user level.


Rob

Drafting is a breeze and Revit doesn't always work the way you think it should.
Nachricht 9 von 15
Sahay_R
als Antwort auf: krozturk

This would need an additional step - to go back to the example of 45 instances of doors - look at the doors, designate a block / blocks, and replace the others with it, then run a PURGE to delete the duplicates. Running OVERKILL after this step would also be helpful. 


Rina Sahay
Autodesk Expert Elite
Revit Architecture Certified Professional

If you find my post interesting, feel free to give a Kudo.
If it solves your problem, please click Accept to enhance the Forum.
Nachricht 10 von 15
krozturk
als Antwort auf: Sahay_R

Thanks for reply:)

Problem is replacing blocks in autocad by using replace command for every single block...

Nachricht 11 von 15
PaulineP54QC
als Antwort auf: GHASEM_ARIYANI

Hello, When I export my fire alarm Revit model to CAD file all the "devices" are exploded instead of blocks. What can I do to avoid that? I need the devices NOT to be exploded. Any suggestion? thoughts? Thanks in advanced! 

Nachricht 12 von 15
RSomppi
als Antwort auf: GHASEM_ARIYANI

I don't see any option to make this happen. Can you share an example file that this happens with?

 

BTW, this thread is asking about something else. You should start your own thread.

Nachricht 13 von 15
r_kuijf
als Antwort auf: PaulineP54QC

Hi @PaulineP54QC ,

Maybe a bit late but perhaps still helpful for you or future readers...

We as electrical draughtsman and engineers use symbols. In Revit these symbols are Generic Annotations which are added as a nested family and only have a visibility in a Plan View. When exported to CAD, Revit creates blocks from the geometry, but Generic Annotations  are exported as separate lines. So that's probably your issue.

Symbolic lines which are added directly to the family are exported into the block as well. But since symbolic lines don't react to scale changes like Generic Annotations do, these lines IMHO aren't a solution.

Nachricht 14 von 15
PaulineP54QC
als Antwort auf: r_kuijf

r_kuijf - I appreciate your response. Thanks!

Nachricht 15 von 15
apasterLV83K
als Antwort auf: krozturk

Here's literature I used to solve this inconvenience by using a LISP "BRE".

https://www.cadtutor.net/forum/topic/21571-replace-selected-block-or-blocks-with-another-block/

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