This is pretty cool stuff, but when I tried it in mid-2014 (release 0.8.1), there were stability issues with orifs, and the user interface was rather confusing.

This is pretty cool stuff, but when I tried it in mid-2014 (release 0.8.1), there were stability issues with orifs, and the user interface was rather confusing. Quite possibly these issues are resolved now, as I see there have been new commits again from October onwards.