M.E.T. The Modular Esspresso Tamper

X mas is coming closer and you may serve your guests an perfect espresso on x mas eve. Beside the mill, and a good machine the tamper is an important part too. It has to fit close into the mesh-carrier to tamp the coffee powder without gaps which let the water bypass beside the coffee while pressing the hot water through.
I' ve made this tamper modular so it can be printed with different colors and different foot diameters. Also, if you like, you can turn the foot out of aluminum or some nice