DOUBLE BOTTLE CAP

PRINTS WITH NO SUPPORTS AND 100% INFILL This is a simple double screw cap compatible with any regular soda bottle screw (coke, pepsi, fanta, sprite….) of any size. This simple contraptions makes easier to see the density experiment where you fill two bottles, one with oil and one with water and connect them to see how both liquids change places depending on their position due to the different densities. SUPER EASY TO PRINT EVEN IN SMALLER PRINTERS