LabRat 1.1 Public alpha Open Source experiment in Java3D. LabRat 1.1a3 for Mac Size: 1.3 MB Mac friendly version of 1.1a3 in the form of a single double-clickable app. LabRat 1.1a3 Size: 1.3 MB Version for Windows, other *nix, etc. LabRat 1.1a3 Source Size: 3.1 MB The accompanying source code.