main.js

// r.js -o name=famous/main out=main.build.js baseUrl=..
this.famous = famous = {
  core: {}
};

require([
    'famous/core/Engine',
    'famous/core/Surface',
    'famous/core/Modifier'
],
    function(Engine, Surface, Modifier){
      famous.core.Engine = Engine;
      famous.core.Surface = Engine;
      famous.core.Modifier = Modifier;
    }
);