Dimensional accuracy and precision and surgeon perception of additively manufactured bone models: effect of manufacturing technology and part orientation

Table 3 Descriptive outcome measures for the deviation of 3D model dimensions (mm) for different AM technologies and (part) orientations

Technology	Orientation	Mean	SD	RMSE	MIN	MAX	Median	IQR
DLP	diagonal	0.12	0.09	0.14	-0.76	0.69	0.12	0.09
DLP	horizontal	0.13	0.16	0.20	-0.96	0.75	0.14	0.19
DLP	vertical	0.12	0.05	0.13	-0.28	0.84	0.12	0.04
FDM	diagonal	0.00	0.08	0.08	-0.56	0.71	0.00	0.09
FDM	horizontal	0.07	0.16	0.18	-0.94	1.04	0.06	0.17
FDM	vertical	0.00	0.07	0.07	-0.68	0.73	0.00	0.07
PJ	diagonal	0.08	0.05	0.09	-0.19	0.58	0.07	0.06
PJ	horizontal	0.06	0.05	0.08	-0.24	0.30	0.06	0.07
PJ	vertical	0.11	0.07	0.13	-0.79	0.51	0.11	0.08

Abbreviations: SD: standard deviation, RMSE: root mean squared error, MIN: minimum, MAX: maximum, IQR: interquartile range

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