Summary

Cabinet mount coffee dispenser.

Instructions

[Update 5-11-2021 Someone noticed there's a gap where dry coffee in the cup might leak out. So I modified the original cup file to have a smaller opening, which eliminates that gap.
The old file (cup.stl) is still here. The new file is: "Cup modified untested.stl"

[Update 3-24: ) A Version 2:
http://www.thingiverse.com/thing:739261
[Update 3-14:
The original coffee bin had a bothersome, internal protrusion which inhibited flow. I've replaced the original file with "bin_v2b_cleaned"]]
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This bin dispenses 1/4 cup (4 Tablespoons) of ground coffee, which I prefer for a 12 "cup" coffee maker.
A standard coffee scoop is 2 Tbls, so it's 2 scoops.

It mounts on a cabinet, or a wall. Hold a coffee filter under it, and turn the handle.

Bin volume is about 31 cubic inches (34 Tbls, 2-1/8 cups, or 500cc).

ABS, medium speed and fill, with rafts, (Afinia defaults) but with thick 0.40mm layers to save time.
Bin section: 142g, 200 min
Dispensing cup: 33g, 51 minutes
Wall bracket: 40g, 60 min.
(2) hinge pins: nominal.
Lid: 50g, 60 min. (.. but I recommend 0.30m layers on the lid.. ~70 min.)

The optional wall bracket moves it away from a wall, so it's easier to target a round filter without spilling any.

The hinge area may need minor clean-up if print quality is on the poor side.

The mechanism functions smoothly with ground coffee, but coffee doesn't flow nearly as well as... say.. dry sand... unless the container has very steep walls. So be mindful of that when it approaches empty.

Files are metric. For some reason, Afinia software detected the largest piece as too big to be Imperial, and put a tiny little thing on the build platform... So I made them all metric.

Coffee dispenser