[elihu]

A fun modification would be to add a mask directly in front of the LED to change its shape, for instance to mimic the weird crescent shadow effect that many of us saw during the last solar eclipse.

Some other fun things to do with it would be to point it through some plants in front of a fan to get the filtered-light-through-leaves effect, or to shine it onto moving water.

[Lipsey]

It looks amazing already, however another fun thing to do will be to vary the light intensity over time to make it more like the sun.

[rubatuga]

Then you need to vary the spectra as well.