Table 1.

Compilation of measurements of mean error (in degrees).

Thickness	5 mm	10 mm	15 mm
Slot height	Mean (Standard deviation)	Mean (Standard deviation)	Mean (Standard deviation)
100 %	0.66 (SD 0.52)	0.58 (SD 0.58)	0.42 (SD 0.49)
105 %	1.67 (SD 0.82)	1.16 (SD 0.41)	0.83 (SD 0.52)
110 %	4.92 (SD 0.80)	1.25 (SD 1.13)	0.75 (SD 0.82)
120 %	4.50 (SD 1.41)	1.83 (SD 0.88)	1.08 (SD 0.86)

SD = Standard deviation.