Number

Error before modification/mm

Error after modification/mm

Maximum

Average

Maximum

Average

1

2.9176

2.6973

0.0405

0.0188

2

4.4863

4.4610

0.0810

0.0377

3

6.7897

6.5467

0.1214

0.0565

4

8.9826

8.7269

0.1619

0.0754

5

11.2180

10.9450

0.2024

0.0942