Hi! Just to share a couple of experiment. I have tried the following in a playground: -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= b := RTMondrian new. b shape rectangle if: [ :aFile | aFile path basename beginsWith: '.' ] color: Color red. b nodes: FileLocator documents allChildren. b edges connectFrom: #parent. b normalizer normalizeSize: #size using: #sqrt. b layout tree. b -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= It shows a tree of the file system. Thanks to GT, simply clicking on a file may show you the content and other things. You can also use the cluster layout: I have tried this on OS X, since the pointed folder is ~/Documents. Cheers, Alexandre -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.