hummingbird feeder for soda bottles

thingiverse

The original design was impressive, but unfortunately, it didn't align with standard cola and soda bottles. This new version fits perfectly, however, I made some adjustments to the bottle holder ring by thickening it to accommodate 500ml bottles, yet never intended for a 1-liter bottle. Despite being compatible, they seem oversized for this tiny bird feeder. Furthermore, since the feeder is 3D printed, it requires more frequent cleaning compared to shop-bought models. Consequently, using the original design with these larger bottles seemed like a waste, although not entirely necessary. A file called "lock washer" can be used if desired, which would fit around the bottle thread and bridge the gap between the bottle and feeder.