Choose your desired nozzle dimension from the range of 0.4 to 0.8 mm. The 0.5 mm size is generally a default nozzle size used by printer.
Hi Temperature Head
Select this option to have the possibility to print at higher temperatures. Allows for printing up to 360 degrees Celsius. Note, the default temperature of the extruder nozzle without this option is 260 degrees Celsius.