requires stereo red-blue 3d glasses. you can customize the code to match your color of glasses. LCD Shutter glasses are possible.
It uses just an extra axis, w. written as a Java application so you can make or generate your own objects.
HCUBE.4D and OCTAHEDR.4D are my favorite objects, but I would like to have some sort of sphereoid-type of object.
have a wireframe knotted basketball. doesn't contain a lot of points.
you can obtain it at
http://jmichae3.home.comcast.net/code/hyper3-java.html
now you can rotate and study in real-time. rotate about the 6 planes: xy, xz, xw, yz, yw, zw. position (distance) along the W axis provided provided for projection onto 3-space.