(http://www.food4rhino.com/app/meshedit)
Weaverbird (http://www.giuliopiacentino.com/weaverbird/)
Make sure to install them before opening the example file.
For the Screenshot (27) error, make sure all of the *.dll files that came in the zip archive are unblocked and that you are using the Heron 0.2.0.0 GHA. You may have to replace the component with a new one from the Heron menu.…