The ZYYX Filament Monitor is an open-source add on for the ZYYX 3D Printer! The ZYYX Filament monitor detects filament problems like: tangles, defects and absence of filament. It is a simple solution to a annoying problem and now all our users can take part of this upgrade :-) For more info visit: http://www.zyyx3dprinter.com/zyyx-firmware-upgrade-release/ Happy printing! // The ZYYX TeamGreat that you want to make the ZYYX Filament Monitor :-) Print the Monitor case and arm with your preferred filament. For more info visit: http://www.zyyx3dprinter.com/zyyx-firmware-upgrade-release/ The non printable parts can be purchased at our site or at your prefered 3d printer parts supplier. http://www.zyyx3dprinter.com/store/#accessories Assembly video: https://youtu.be/3knnK97JcKw Installation video: https://www.youtube.com/watch?v=qZglVqsGwCw (Remember that you need the latest firmware installed to use the Filament monitor on the ZYYX) Happy Printing! //ZYYX Team