the old multiple light source with jit.gl.sketch problem...

hello all,
i'm trying to find a good example on the archives on setting up multiple light sources with jit.gl.sketch

i've found a number of good threads
https://cycling74.com/forums/light-direction
https://cycling74.com/forums/more-than-one-light-in-jitter
https://cycling74.com/forums/having-trouble-with-gllight-msg-to-jit-gl-sketch

but haven't been able to get a good working example;
unfortunately, Pelado's blog with the link to articles on the very topic is no longer accessible.

anyone happen to have an example or the link to one?

thanks,

ali