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2. Creating 3D Data
Mounting the Scan Object
Choose the object to be scanned, then mount the scan object.
The table rotates during scanning. Using double-sided tape, clay, or the like, fasten the object in place securely so that it
will not fall over or slip. Any slipping of the object makes correct scanning impossible.
When the object to be scanned has areas with cavities or voids, mounting the object at an orientation that allows the laser
beam to pass through the cavities, as shown in the figure, makes scanning easier.
2-2 Mounting the Scan Object
Effective Sensor Area
The figure at right shows the area in which the machine's sensors
detect the reflection of the laser beam, allowing the object to be
scanned.
The surfaces that reflect laser light as the table rotates and the ob-
ject passes through this area can be scanned.
When scanning an object that is considerably uneven, or that is
crank-shaped, you may need to take this effective sensor area into
account.
If the object is mounted at the edge of the table, it may not be
possible to scan the entire object correctly.
In the case of the apple shown at right, the area enclosed by the
shaded portion is not scanned.
Effective Sensor
Area
Table
203.2 mm
3 mm
130 mm
30 mm
Orientation
of the laser
beam
Not reached by
the laser beam
Outside the effective
sensor area
Secure the bottom surface
in place with clay or the like.
Table
Mount in the center of the table.
Table centerline
Cavity
Table
Scan object
Orientation of
the laser beam