RostockNano is a only 75% Rostock Mini but also use more printable parts.Make easy and low cost. but Stepper motor is NEMA17.Rostock and RostockMini's tips available for RostockNano.Specification:Footprint 250mm and hight is 450mmBuild volume: dir 12cm hight 15cm(max dir 13cm and 16cm) for 395mm sm…