Carina is an application written in C++ for viewing various 3D graphic file formats. While focusing on the xVRML file format, it also supports the X3D and VRML97 formats. Mostly for viewing files, it also contains some debug support to help people creating xVRML content. It can save any file it can open as xVRML. xVRML is an XML-based virtual reality language. Classroom testing has shown that new users who are already familiar with HTML can become proficient in xVRML with just a few weeks of study and practice.