Turning the knob makes the content of bottle came out in controlled portions.
Possible uses: Sugar, Coffee, Tea, Condiments, Powders, etc. …
Print at 0.2mm, no support needed but uncheck PrusaSlicer “Detect bridging perimeters” (already done on supplied 3mf)
Most content materials will required at least a breath hole to the top of the PET bottle, specially finer powders. Rice is the “max grain size” to a useful device.
Check my Remix for sale - Cat Food Dispenser at CULT3D website
The author marked this model as their own original creation.