Rancilio Rocky Hopper End Stop

The original Rancilio Rocky grinder hopper came with a fixed end stop screw which meant that some grinders were not able to grind as fine as they otherwise could for espresso.

Replacement hoppers sold now come with an adjustable end stop as per the photograph.  I did not want to unnecessarily replace the hopper so I used the photo and measured my hopper to make my own part.

FreeCAD file is available so you can adjust the slot to match any small screws you have on hand.