This is an espresso tamper that fits standard 58mm portafilter baskets.Two versions - plain or with inset Makerbot logoYou can print the plain one, or print the version with the inset Makerbot logo and the logo file in different colors and glue them together. Or leave out the logo infill, and every time you smush down your coffee you can have the Makerbot logo embossed in the palm of your hand!