Research Article

A Pellet 3D Printer: Device Design and Process Parameters Optimization

Figure 5

Relationship between the diameter and the three factors with three different levels (a) speed of the stepper motor; (b) moving speed of the nozzle; (c) height from the nozzle to the platform. The statistic was the absolute value of difference between the statistic in Table 5 and 0.6 mm, the ideal diameter of the fiber.