Optimization of Mechanical Properties and Surface Characteristics of PLA+ 3D Printing Materials

Table 6

ANOVA results of tensile strain (ε) (%).

Source	DF	Adj SS	Adj MS	F-value	value	Rank
Regression	4	28.8570	7.2142	1.14	0.0452	—
Temperature (A)	1	0.5192	0.5192	0.08	0.789	4
Speed (B)	1	0.8288	0.8288	0.13	0.736	3
Infill density (%) (C)	1	26.8605	26.8605	4.24	0.109	1
Infill pattern (D)	1	0.6485	0.6485	0.10	0.765	2
Error	4	25.3530	6.3382			—
Total	8	54.2099				—