The 1.5.1 version of the Java 3D
TM API runs on JDK version 1.5.0 and higher. It has been released for the 
Solaris, 
Linux, 
Windows, and 
Mac OS X operating environments.
Windows
The 1.5.1 version of the Java 3DTM API for Windows/XP and Windows 2000 runs on JDK version 1.5.0 and higher。
Installers:
java3d-1_5_1-windows-amd64.exe
java3d-1_5_1-windows-i586.exe
API Documentation & Utils:
java3d-1_5_1-api-docs.zip 
Example programs source code:
j3d-examples-1_5_1-src.zip