3mm hose clamp for auto plant watering system

thingiverse

This is a hose clamp that can be used instead of a valve on soft hoses, like the 3mm hose that came with my automatic plant watering kit. You can scale it up according to your hose diameter. Printing the screw facing up and the frame standing on the screw hole side yields best results. It is easier to put hose in first and then put the third part, the "tip". The tip may have to be ground down a bit on the side facing the screw depending on your hose properties. It is designed to be able to clamp the hose shut or almost not squeeze it at all. I copied the screw and screw hole from this sanding stick by Mightynozzle: https://www.thingiverse.com/thing:2404850.