Table 1.
Mean diameter measurements using two different kinds of landmarks.
| Location | Physical world | Virtual world | Difference |
|---|---|---|---|
| Beads | |||
| 1 | 41.0 | 42.91 | 1.92 |
| 2 | 41.8 | 44.32 | 2.51 |
| 3 | 39.6 | 43.67 | 4.05 |
| 4 | 41.1 | 43.30 | 2.22 |
| 5 | 28.2 | 30.12 | 1.90 |
| 6 | 32.5 | 35.06 | 2.52 |
| Min | 28.22 | 30.12 | 1.90 |
| Max | 41.81 | 44.32 | 4.05 |
| Mean | 37.38 | 39.90 | 2.52 |
| Pins | |||
| 7 | 25.289 | 26.682 | 1.39 |
| 8 | 24.661 | 25.806 | 1.15 |
| 9 | 25.078 | 25.73 | 0.65 |
| Min | 24.66 | 25.73 | 1.07 |
| Max | 25.29 | 26.68 | 1.39 |
| Mean | 25.01 | 26.07 | 1.06 |
Length in millimeters (mm).
The beads landmarks (#1–6) provided a larger deviation compared to the relative stiff metal pins (#7–9).