Stereolithography (STL) measurement rubric for the evaluation of craniomaxillofacial STLs

3D Printing in Medicine

Table 8 Classification of STL image quality

Original STL number (n = 35)	Classification according to *Total CARP score*					Classification according to *Total CARP + ring score*					Final STL image quality category
Original STL number (n = 35)	E1 Total CARP score	E2 Total CARP score	E3 Total CARP score	Mean Total CARP score over evaluators	CARP score STL classification	E1 Total CARP + ring score	E2 Total CARP + ring score	E3 Total CARP + ring score	Mean Total CARP + ring score over evaluators	CARP + ring score STL classification	Final STL image quality category
2	16	21	21	19.3	H	19	24	24	22.3	H	H
5	16	13	16	15.0	M	19	16	19	18.0	M	M
6	10	12	13	11.7	M	13	15	16	14.7	M	M
8	7	9	10	8.7	L	10	12	13	11.7	M	M
10	17	17	15	16.3	M	20	20	18	19.3	H	H
12	10	13	9	10.7	M	13	16	12	13.7	M	M
13	14	12	12	12.7	M	17	15	15	15.7	M	M
14	19	18	15	17.3	H	19	18	15	17.3	M	H
15	7	7	6	6.7	L	10	10	9	9.7	L	L
16	12	9	11	10.7	M	15	12	14	13.7	M	M
17	16	15	15	15.3	M	19	18	18	18.3	M	M
18	17	14	15	15.3	M	20	17	18	18.3	M	M
19	17	18	19	18.0	H	20	21	22	21.0	H	H
20	15	14	14	14.3	M	18	17	17	17.3	M	M
21	17	15	13	15.0	M	20	18	16	18.0	M	M
22	16	16	19	17.0	H	19	19	22	20.0	H	H
23	9	9	9	9.0	M	9	9	9	9.0	L	M
25	14	10	12	12.0	M	17	13	15	15.0	M	M
26	18	16	17	17.0	H	21	19	20	20.0	H	H
30	13	12	10	11.7	M	13	12	10	11.7	M	M
31	16	16	16	16.0	M	19	19	19	19.0	H	H
32	10	8	9	9.0	M	13	11	12	12.0	M	M
33	15	13	18	15.3	M	18	16	21	18.3	M	M
34	19	14	17	16.7	M	22	17	20	19.7	H	H
35	13	13	14	13.3	M	16	16	17	16.3	M	M
36	9	5	8	7.3	L	9	5	8	7.3	L	L
37	16	15	19	16.7	M	19	18	22	19.7	H	H
38	21	15	18	18.0	H	24	18	21	21.0	H	H
40	17	9	11	12.3	M	20	12	14	15.3	M	M
41	14	11	10	11.7	M	17	14	13	14.7	M	M
42	17	16	17	16.7	M	20	19	20	19.7	H	H
43	8	8	8	8.0	L	11	11	11	11.0	M	M
44	17	17	23	19.0	H	20	20	26	22.0	H	H
45	17	15	14	15.3	M	20	18	17	18.3	M	M
48	16	15	15	15.3	M	19	18	18	18.3	M	M

E1, E2 and E3 STL evaluators, H high STL image quality, M medium STL image quality, L low STL image quality

ISSN: 2365-6271