About this post Already working on an sbt-based Scala project with two sub-projects, I wanted to create a third sub-project, a Play2 application. The following describes what worked for me. Creating the sub-project structure Before adding the third sub-project, my sbt project structure looked like this: importer/ └ src/ ├ main/ └ test/ spark/ └ src/ ├ main/ └ test/ project/ └ plugins.sbt build.sbt Within build.
