Biqu B1 Filament Funnel

thingiverse

Simple filament guide (for stock Biqu B1) that fits under the filament sensor, with a cut through it to insert/remove the filament if needed You need to remove the screw from the feeding side, slip out the spacer, and fit it in the guide's appropriate hole. The back screw needs to be loosened a bit, and then slide the guide under the sensor so that the back spacer goes between the slot aligning the front spacer (now in the hole) over the screw hole. Put the screw back in through the spacer and tighten them both. There is a slot for the zip ties that holds the carriage cable in place, so you don't need to cut it, just align it with the slot