AAA minimalist batery holder clip (for cable-less winter house deco)

// ("Daily earring" will be back soon, stay tuned)

Assembly picture, http://thingiverse.com/image:87926

Here's a quick thing I whipped up today:
We have a few winter house deco things infront of the window, but they have a few issues:
-The lamp's low lifetime
-Several Watts for dim lighting
-The cable is not very decorative (see picture)
+gets HOT!

So I thought about LED lights on rechargeable batteries. I modded my fiancee's mother's winter city with commercial LED light-bulbs l