Flask funnel

thingiverse

Simple Flask Filling Funnel Designed with Ease. This lightweight funnel is built with speed in mind, making it perfect for filling flasks on the go. Its thin walls are intentionally designed to be temporary and won't withstand heavy use, but they do allow for quick and efficient pouring. The air escape mechanism is a bit questionable, but it seems to work pretty well. I've had no other funnels to compare against, which is why I created this one in the first place. Please drink responsibly!