Dial-A-Dooty (Smartwater bottle bidet)

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Update: I added two new designs to meet people's requests. One has a sealed end and is not adjustable, the other has been changed so the water comes out at more of an angle for those who like to live on the edge. I still just reccomend printing the original version with the files named "SmartWaterBidet_Body" and "SmartWaterBidet_Knob".  I humbly present to you my magnum opus, the Dial-A-Dooty. A 3D-printable water-bottle bidet for responsible, leave-no-trace ultralight backpacking. Stop carrying toilet paper and start carrying a Dial-A-Dooty!  Dial-A-Dooty weighs 19 grams, fits onto most bottles, seals (mostly) when not in use. It features an adjustment dial so you can choose between a single low-pressure "light dooty" stream, a single high-pressure stream, or a high-pressure dual stream for "heavy dooty" jobs. Just dial it in to the setting that fits your lifestyle! Designed from scratch because I had nothing better to do on a Sunday afternoon. Tested because I have no shame.  If you like the design, feel free to donate. All proceeds go towards me buying an actual backpack.  Tips:  Print at 0.2 mm or finer resolution so the threads come out nicely. 100% infill will make things extra strong where walls are thin, but Gram-Nanny's can print at 25% infill to save weight. Dial-A-Dooty does no require supports to print. Arrange the two parts on your print bed as shown in the images above.  Print in whatever material your printer prints best, but for the best seal possible print one of the two parts (or both) in a stiff TPU.  The screw/adjustment knob has already been scaled down to 95% so it should fit on your first try with a little bit of screwing it back and forth to break in the threads. If your printer isn't calibrated properly you may need to scale this piece slightly up or down in size to get an ideal fit. Dial-A-Dooty seals tightly against the water bottle without any need for O-rings, but the nozzle on Dial-A-Duty will slowly drip water out if stored upside down when attached to a water bottle. Store your Dial-A-Duty on a water bottle and upright when not in use.