Filament guide hook

I designed this thing for my Printrbot Simple. I put it on one of the z-axis rods and slide the filament through the hook. The hole in the bottom is slightly larger than 8mm (8.1mm) to fit the rod.
I designed this thing for my Printrbot Simple. I put it on one of the z-axis rods and slide the filament through the hook. The hole in the bottom is slightly larger than 8mm (8.1mm) to fit the rod.