March 21, 2017:
IfcOpenShell 0.5.0 preview 2 has just been released!
Visit for a changelog and stay updated on the development of IfcOpenShell.

August 23, 2011:
IfcOpenShell needs your help! Find out what you can do to help improve the open source IFC toolkit, visit

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Get the source

You can clone the repository with git by invoking the following command

git clone

Alternatively you can download an archive of the source files from:

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