Error Aggregation in the Reengineering Process from 3D Scanning to Printing

Table 1

The mean and standard deviation of tooth full depths.

Gear	Tooth full-depth mean ()	Tooth full-depth standard deviation ()
Original metal gear ()	0.1422 in.	0.0018 in.
Approach 1
Reverse engineered gear (Avg.) ()	0.1439 in.	0.0017 in.
Approach 2
Meshed point cloud in Design X ()	0.1406 in.	0.0053 in.
Reverse engineered gear (no Avg.) ()	0.1399 in.	0.0062 in.
Reverse engineered gear (Avg.) ()	0.1425 in.	0.0026 in.