Description : This is a coffee machine prototype for a local design studio, it was surposed to supply a Chinese largest coffee chain brand. This machine is made of Aluminum matte black/red ABS housing, some of inner parts are made of polycarbonate with heat-resistant and flame-retardant, the top tray, door and combs are Aluminum too, the entire prototype weighted 4.9KG, it takes about 12 days to complete.