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 450mm Build volume: dir 12cm hight 15cm(max dir 13cm and 16cm) for 39…