Table 2.

Control factors and their level.

Level	Artifact Orientation		Platen Orientation		Finish Type
	Symbol	Value (°)	Symbol	Value (°)	Symbol	Value
1	1	0	1	0	1	Matte
2	2	45	2	5	2	Glossy
3	3	90	3	10	-	-
4	-	-	4	15	-	-
5	-	-	5	20	-	-
6	-	-	6	25	-	-
7	-	-	7	30	-	-
8	-	-	8	35	-	-
9	-	-	9	40	-	-
10	-	-	10	45	-	-
11	-	-	11	50	-	-
12	-	-	12	55	-	-
13	-	-	13	60	-	-
14	-	-	14	65	-	-
15	-	-	15	70	-	-
16	-	-	16	75	-	-
17	-	-	17	80	-	-
18	-	-	18	85	-	-
19	-	-	19	90	-	-