Double one way valve
thingiverse
This print serves as a dual hose adapter, with two separate outlets, each equipped with its own one-way valve utilizing two 8mm ball bearings. Personally, I find the design more reminiscent of a delicate bloom than anything overtly suggestive or phallic in nature.
Download Model from thingiverse
With this file you will be able to print Double one way valve with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Double one way valve.