A LiveDVD full of Computer-Aided-Engineering Software.
Including free CAD-Programms, pre-/post processor and finite element solvers.
Very well for a first one try.
For people who need a bit more complicated grids (of course you can always do it with blockMesh.
Very good overview of free and commercial mesh generators.
Netgen is an automatic 3d tetrahedral mesh generator.
It accepts input from STL, IGES and STEP file format from CAD.
Imput format from CAD, IGES and STEP, supported.
Converting UNV file format to OpenFOAM search for "UNV" in the OpenFOAM Message Board 
Looking at your results in many colorful ways.