The file 'Mr. Coffee Tamping Station 3D Printer Model' is (stl) file type, size is 60.8KB.
This is a tamping station for the Mr. Coffee brand espresso machine shown in the included pictures (they have changed the design several times over the years, so make sure you have the same model). Designed to work with Dcdesigns' tamper found here:
http://www.thingiverse.com/thing:879705
Simply fill the portafilter with your prefered espresso grounds, rest in the tamping station, and press the grounds with the tamper.
See also my portafilter funnel:
Mr._Coffee_Tamping_Station.stl | 167.8KB |