Version 1

To design the board outline I used Illustrator. I looked up snowman designs and for some reason got hung up on designing them using 3 circles. I ended up designing a 4 layer board, and since I wanted to order it in white, this ended up becoming quite expensive and not feasible.

Version 2

So instead of that, I realized that making a 2-circle snowman would increase the surface area of the board, so I was able to design a 2-layer PCB out of it. After redesigning the board I also made it look a lot better than it did before(I added a top hat at a 10° angle). I rearranged the Neopixels and the rest of the components on the board(and also slanted some of the components so they looked better on the top hat lol). 

Apart from those details, the PCB design was not too hard. I mostly used the typical application note of the datasheet for layout examples, but since I was using 0805 components(oops I forgot to mention that before), I had to improvise.