Table 2.

Experimental data gathering plan derived based on L₆ Taguchi Method.

$L_6$ (32) Orthogonal Array
No. of Run	Control Factors		Response Value
	Build Orientation	Ultrasonic Frequency (kHz)	Compressive Strength (MPa)	Surface Roughness, Ra (μ)
1	X	0	Q1	P1
2	X	10	Q2	P2
3	X	20	Q3	P3
4	Z	0	Q4	P4
5	Z	10	Q5	P5
6	Z	20	Q6	P6