Lack Table Filament Sensor

Needed a sensor to work with my direct drive as the Ender 3's frame almost touches the bottom of the Ikea lack table. No good place to mount a runout sensor. Tried mounting one directly on the extruder but it was way tall. Didn't want to lose any build height. This design has worked well for me so far. Made a straight and tilted version. JoyMonkey's design was perfect for the switches I had on hand. Please excuse the rough modifications. This is the first time I've ever modded anything. Mods made in TinkerCAD.