These are smaller versions of previous similar design @ https://www.prusaprinters.org/prints/120766-print-in-place-geared-hinge. Many people were trying to simply scale down the previous design and running into tolerance issues which these models fix.
Print in place with columns vertical. Pictured parts printed with .4 nozzle, .16 layer and 4 perimeter lines.
PDF has mini and super mini dimensions
The author marked this model as their own original creation.