Retrieve closed Boundaries between multiple intersecting lines

[Meychik]

what version of revit do you use? It seems that you don’t have the library “copy” installed.

you can check out how to install some here

How to install Python modules in Dynamo Core Runtime 2.8.0?

Hello @Khasan_Mamaev, while we are still working on an Officially supported way, here is how you can access these libraries today in Dynamo 2.7/2.8 as a workaround: Note: Please make sure you are comfortable doing the following steps and make sure you read all of the Terms and Conditions Steps: Download Anaconda - https://www.anaconda.com/products/individual After install, select the CMD.exe Prompt from the Home tab in the Anaconda Navigator (Install if you need to). [image] This w…