Bottle Pourer

thingiverse

An innovative stopper designed for bottles containing vinegar, soy sauce, cooking oil, and other liquids allows even pouring without glugging or spilling. The tapered stopper features two channels in its center: one for releasing fluid and the other for air intake. Although ABS plastic may not seal well due to its hardness and thickness, adding a rubber washer can improve sealing capabilities. Note that this design remains untested, and the channels could be too narrow for thicker, viscous fluids.