Filament Runout Sensor Using Vslot Wheels and a D2F Mouse Switch

cults3d

Filament runout sensors need a low friction interface for the filament to pass through and the ability to tolerate variations in filament size. Vslot wheels have rubber on the outside to tolerate variations in size. Their inner core is ball bearings for low friction. Perfect. So I sat down and designed this. If you're like me and have started turning your Enders into Vorons, you'll have lots left over. You can even use worn out ones for this. You also need the same switches Voron uses for endstops. Check their sourcing guide for how to obtain them if you don't already have a ton. Should be fairly self-explanatory on how it goes together from the pictures. The wheels go on the spokes, the switch (facing in, metal arm removed) on the posts, and the slider goes inside the chassis. The top will slide on to the rest, and also has two M3 holes counterbored that you can use to mount it to your profile. Prints easy in three connecting pieces. Mine works splendidly.