HP Designjet 3D Service Manual page 377

Figure 355: Locating the Filled Circle (B)
9. Using a digital caliper, measure and record the diameter of circle B
along the center line between A and C. See
NOTE: Reference letters are not actually "printed" on the part. If
needed, use the Part Measurement Equations sheet to record the
values. See "Part Measurement Equations" on page 380.
Figure 356: Measuring diameter of B
10. Next measure and record the distance from the outside edges of circle A
and B, see Figure 357
bump of circle A.
Figure 356
Ensure that the caliper is not seated on the small
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