Faber Filament Warning system.

I have developed a small, but very helpful supplement to 3D printer from makerbot.
The Faber Filament Warning system.

I had the problem over and over again that, for example, with a printing overnight, the Filament had stopped, and therefore the print was not finish. Then I had to restart printing again. This costs a lot of time and Filament.

With some components of Conrad Electronic and with the help of Lego to elastic wheels I have built the FFW, and then with the printer have print