algorithmic modeling for Rhino



Grevit allows you to create Revit or AutoCad Architecture BIM elements
directly in Grasshopper and send them to your favorite BIM program.

Members: 106
Latest Activity: Sep 20, 2023

Discussion Forum

GREVIT error: no connection could be made because the target machine actively refused it 2 Replies

Hi,I just installed the latest version of Grevit and I tried to import 3 simple curves in Revit using an adaptive component. When I tried to send it, though, I got the message: No connection could be…Continue

Started by AMALIA VRANA. Last reply by Shane Jezowski Feb 22, 2021.

Grevit - slab with void?

I am using grevit to send geometry from grasshopper to revit. I have a slab with a void that I want to push to Revit but when I send it over it just arrives in Revit as 2 slabs...Is it possible to…Continue

Started by Mel King Feb 11, 2017.

bend column - profile along a curve - help

Dear members,I am a beginner both with revit (grevit) and grasshopper. I need a help from you.I may be able to do it in GH without problem, but I would like to use the interoperability with revit to…Continue

Started by Alex Bocchi Jun 20, 2016.

Rotating Columns? 1 Reply

Hello,How would one go about placing rotated columns (rotation in XY)?Is there a column rotation/angle parameter?Thanks.Continue

Started by David Rasner. Last reply by maximilian thumfart Jun 12, 2016.

Comment Wall


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Comment by dajana on June 14, 2018 at 9:05am

Dear All, I just sturted using GREVIT- Transport curved surfaces from GH to revit -  any idea About fast repair of this type of mistake ? 2018-06-14%2015_13_48-Greenshot.png

Thank you all

Comment by maximilian thumfart on June 12, 2016 at 7:41am

Dear All,

just released a new version containing a Revit 2017 plugin:

Comment by Eoin Lernihan on June 10, 2015 at 2:33am
Message on behalf of Max:

Dear Grevit Users,
sorry for remaining quiet for such a long time, I’ve been very busy with moving and finally realized that my Gmail login isn’t working anymore for this platform.
Due to your all your great input and requests I could hardly handle myself I published Grevit as an Open Source project at github.
Everyone is welcome to join and take Grevit further.
If there are any questions you’d like to ask in person I would suggest a little release party somewhere in Clerkenwell?
Comment by Gui Talarico on June 2, 2015 at 2:37pm

Hi maximilian, have you stopped development?

If so, do you have any plans to release the code so that others can continue developing it?

Works great, except update feature. Do you think you could help me? I 'read your comments on Food for Rhino on shared GID parameter, but I could still not get it to work.

Cheers, and thanks for sharing your work.

Comment by Jerrod Kennard on April 30, 2015 at 4:01pm

I agree with Rasmus. Great work to address interoperability between GH & Revit but the Update feature not working is a huge achilles heal, especially if you have tags and dims attached to those elements in Revit. Has there been any development to fix this problem?


Comment by Djmonster on April 25, 2015 at 3:53pm

I have tried example 3&6 you shared. but i keep on getting these errors

A transaction or sub-transaction was opened but not closed. All changes to the active document made by External Command will be discarded.

Can u tell me why this  is happening? (Revit 2015,Rhino 5, GH 0.9)

Comment by Rasmus Holst on January 13, 2015 at 1:59pm

Hi team Grevit.

Just want to say - Great work :) This is really exiting, one of the most seamless transfers I have tried. 

Once the "update" function works complete it will be very nice.

Have you been thinking about adding transfer the other way as well? E.g. transfer data about Revit elements to Grasshopper?

Best regards.


Comment by ancientholiday on December 22, 2014 at 9:59pm


I have a recollection that Grevit was an open source project.  Is it possible to download the Grevit libraries on GitHub?

Comment by Ezhil Vignesh on December 12, 2014 at 5:26am

I have 3d curves and want to export to Revit.

I have a problem to export via Model line component. Can any one explain how model line works.

Comment by Jason Smith on November 24, 2014 at 6:36am

Sort of, ancient holiday. Not curtain wall panels per se, but using adaptive components you can do what you're aiming for. Alternatively, as ACs aren't always a good thing, I've had recent success exporting the glass as a wall (or other 3D object) and using Lyrebird to place each mullion as a family. Happy to share more if this sounds appealing.

Good luck!


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