Mühle

The Mühle espresso grinder: a dark ribbed housing with a stained-oak control dial, above its portafilter holder.

Mühle

The first fully automatic prep and
grind device for the café

Design an espresso grinder that enables cafes
to use home-brewer puck-prep techniques
without sacrificing efficiency or workflow

A barista working at a café espresso counter.

Primary User:

Target cafes will have trained
baristas and already own
manual or semi-automatic
espresso machines as
opposed to super-automatic
machines

Render of Mühle with callouts to the bean hopper, display, adjustment knob and portafilter holder.

24 oz coffee bean
hopper

Grind size and weight
display

One-touch adjustment
knob

58mm portafilter
holder

Mühle with numbered callouts for its six main assemblies.

1.

1. Vertical Housing/Bean Hopper

3003 Anodized Aluminum

2. Grinder/Tamper Housing

2.

3003 Anodized Aluminum

3. LCD Assembly

3.

Glass

4.

4. Control Dial

Stained Oak

5. Portafilter Holder

6061 Anodized Aluminum
Butyl Rubber

5.

6. Base Assembly

3003 Anodized Aluminum

6.

Mühle beside a portafilter.

Mühle:
Café Workflow

A portafilter sitting in Mühle's holder.

A portafilter is placed
into the holder

Close-up of Mühle's control dial and the portafilter holder.

The control dial is
pressed, and the
portafilter moves back

Side view of the portafilter under Mühle's grinder housing.

Coffee is ground into
the portafilter, weighed, and
distributed

The portafilter moved forward under the tamper.

The portafilter is moved
forward and tamped

Top view of the portafilter returned to its starting position.

The portafilter is
returned to its original
position

A portafilter with a level, tamped bed of coffee.