2. In Interface Builder, which is now launched, first go to the Project Inspector, part Attributes. Click OK. This will magically recreate some files I have deleted to save some petty bytes.
3. Now that you are in Interface Builder, just use command-k to ``make'' the application.
Remember to place the application somewhere in an Apps directory (~/Apps or /LocalApps), so that the Services become available. You can best do that by keeping the distribution directory somewhere in a ~/WorkBench or so, and making a symbolic link to ...Apps/Piper.app.