Okay, so if you own a 3d printer, you're probably thinking:
How can I make something useful?
I'm guessing there are a lot of things that can be done, provided you have the imagination.
If you're like me, and lack that quality, head on over to Thingiverse.com
Check out Thingiverse for the stl files.
http://www.thingiverse.com/thing:1174471
We often set up a second or third small tree in order to display our more quirky or eclectic ornaments. Otherwise I would'nt have gotten away with this one. =)
You could print this out with yellow filament or just do as I did, and paint it using whatever you have on hand. I used the basic acrylic craft paint you can find almost anywhere.
If you're feeling like a small electronics project, there is also a fancy version thanks to the folks at Adafruit: it's called Starduino:
https://learn.adafruit.com/starduino-neopixel-8-bit-mario-star-tree-topper
