Since 2005 Microsoft's Visual Studio incorporates a software development kit known then as 'DSL-Tools' (Domain Specific Language-Tools). Over the years this tool grew in size and in the 2010 release of Visual Studio it was renamed to the 'Visualization and Modeling SDK'. The goal of this project is to attempt to reconstruct the results of the first assignment implementing the operational semantics using this toolkit. This in order to compare the functionality provide by the SDK to the functionality provided by Atom3