Table 2. Error in FDM printing: deviation between the tissue surfaces of FDM printed tray and CAD data.

Model	Mean (mm)	N	SD (mm)
1	0.02	499	0.10
2	0.02	499	0.10
3	0.02	496	0.10
4	0.03	498	0.10
5	0.02	498	0.10
6	0.03	497	0.10
7	0.02	499	0.10
8	0.02	498	0.10
9	0.02	502	0.09
10	0.02	498	0.10

N = Number of tested points; SD = Standard deviation.