Downloaded from Google 3D warehouse and converted to stl format. I sized it to print on the MAkerbot TOM.Print the file as provided. I would recommend raft and full support. I also included files where I sectioned the model into pieces (in Meshlab) in order to print the whole thing to a larger size. If you print it in pieces, then you do not need raft and support but you will need to glue or weld the pieces together.