Quote - wolf359 sent it to me as an obj. My goodness, it's HUGE! 8.6 megabytes.

I don't have the texture maps that are used with it. Can you post those somewhere?

And how big is it supposed to be in 3D size?

I always save my OBJs to a decent scale so I dont know how big it is.  The .blend file is 23MB unpacked and my OBJ is 28 MB but it works.  The lux ball for me loads up to about twice the size of a figure.