Howie is BioInteractive's mascot. He's an interactivore.
3D PDF instructions: 3D PDF files can be viewed with the most up-to-date version of the free Adobe Acrobat Reader.
3D STL printing instructions: 3D STL printing file can be viewed with the free Makerware software from Makerbot, but Makerware will only print to Makerbot printers. Please use software provided with your printer to print STL files.