Hi, Sorry for the newbie question, but I just can't figure out how to execute the IfcOpenShell (any version) for Mac OSX (10.11) . I've tried all recent and preview versions of IfcOpenShell. What am I missing about "You can invoke IfcObj from the command line or drag an .ifc file over the IfcObj executable to convert it."? I've tried dragging an .ifc file over the executable(s) in the finder, and also opening the executables in Terminal, as well, and just to see this: Last login: Fri Oct 5 00:56:16...