Table 1.

Process parameters to be controlled and its range.

S.No.	Process parameters	Units	Level 1	Level 2	Level 3
	Layer height	mm	0.15	0.25
	Raster width	mm	0.4064	0.4364	0.4664
	Raster angle	˚	0	22.5	45
	Orientation angle	˚	0	15	30