Table 2.

L18 orthogonal array Taguchi experimental design matrix and measured responses.

Exp. Trials	Layer height (mm)	Raster width (mm)	Raster angle (˚)	Orientation angle (˚)	Flexural Strength (MPa)	S/N ratio
1.	0.15	0.4064	0.0	0	15.34	23.7165
2.	0.15	0.4064	22.5	15	22.79	27.1549
3.	0.15	0.4064	45.0	30	22.13	26.8996
4.	0.15	0.4364	0.0	0	22.82	27.1663
5.	0.15	0.4364	22.5	15	28.14	28.9865
6.	0.15	0.4364	45.0	30	29.83	29.4931
7.	0.15	0.4664	0.0	15	20.29	26.1456
8.	0.15	0.4664	22.5	30	31.24	29.8942
9.	0.15	0.4664	45.0	0	18.79	25.4785
10.	0.25	0.4064	0.0	30	14.09	22.9782
11.	0.25	0.4064	22.5	0	22.12	26.8957
12.	0.25	0.4064	45.0	15	31.64	30.0047
13.	0.25	0.4364	0.0	15	18.81	25.4878
14.	0.25	0.4364	22.5	30	27.92	28.9183
15.	0.25	0.4364	45.0	0	30.69	29.7399
16.	0.25	0.4664	0.0	30	13.45	22.5744
17.	0.25	0.4664	22.5	0	27.78	28.8746
18.	0.25	0.4664	45.0	15	25.04	27.9727