Changeable desk sign

"Do not disturb!" ...Why? "Cause I'm working!"
If you have to say that to everyone who comes by to ask you something. This is something that you might think is useful to have on your desk.
You never have to say a word, Just scroll the sign to the correct phrases and people will know whats up.

Combine your own set of phrases that fits your needs with a custom color on the text-infill.
Three changeable phrases on each side, for instance:
On the left **Do not disturb!** and on the right **I'm Printing**
Or the left **Can't you see?** and on the right **I'm not HERE!**
With a build-in LED fitting for the ones who have to work overtime.
I used the AA "Flexing battery holder" from Enif for powering the LEDs http://www.thingiverse.com/thing:456900
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**- UPDATE -**

***Leave in the comments your phrase suggestion! I'll be adding the best suggestions to the phrase plates***

- coming up: New phrases
- coming up: New symbols
- coming up: Smoothe