Title pretty sums it up
After trying out lamps and diffusers and whatnot, I ended up also making my own Ulbricht sphere using an aluminum cake pan coated with a mix of barium salt and opaque white - pretty much like this guy here: https://www.youtube.com/watch?v=BtMqx5P74n4
Here’s some info on the LED strip and power source I’m currently using.
And here’s one of those cake pans: The ReelSlow8 Film Scanner - #22 by PM490