Filament Runout Sensor

Basic Filament Ronout Sensor Requires a small micro switch: Dimension: 20 x 10 x 6mm (L X W X H) as well as 2 M3 bolts ~6-8mm . Bowden Tube can be inserted into the larger end to affix the box to an existing system . Used with a BMG dual drive (clone) on the system shown but should work with anything that has a Bowden in for the filament. Closer to the Hotend the less wasted material. No Support required, very easy print. Printed with ABS in my unit for heat resistance but its not really require