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Refer to the following guide for more information:
GoalsGoals
- Align a 3D foot scan in RapidShell3D
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Click Files → Display Left Foot
A 3D scan of the patient’s left foot should now appear on the screen
Click Place Points
In specific order, click the Heel Point → 1st MPJ Centre Point → 5th MPJ Centre Point
Click Align for Valgus or Align for Varus
The prescription form may contain values for Forefoot Varus
or Forefoot Valgus. If such values exist, please click the corresponding button.
Click Accept
Click Apply
The Distances box will display a distance between the Heel Centre point and 1st MPJ centre point that were placed on the 3D scan surface during Step 4. If a prescription value exists for Heel Centre to 1st MPJ (mm)a Scale Factor will appear and allow for automatic scaling of the 3D scan. Please note that it is not recommended to scale 3D scans captured with the LaserCAM VPS 3D scanner, or any other scanner that is known to capture highly accurate 3D foot scans.
Position the scan in the Plantar view using the controls along the bottom toolbar
Referencing the Scan Angle, Forefoot Varus or Forefoot Valgus measurement on the prescription, position 
Position the scan in the Heel view using controls along the bottom toolbar .
You must ensure that the prescription form includes an according to a provided Acceptable Reference Measurement. You may refer to the following guides for more information.
SOP
Method 1: Heel Bisection Measurement
SOP: Forefoot Varus/Valgus Measurement
Acceptable Reference Method 1
📋 SOP: Heel Bisection Alignment MethodMeasurement
You may use the blue Z-axis line to reference the heel bisection in neutral (0°). You can then use the Invert and Evert controls from the bottom toolbar to rotate the scan into the alignment specified in the Scan Angle field on the prescription. The scan must be in a per-vertex 3D colour format.
Acceptable Reference Method 2: Forefoot Varus/Valgus Alignment Method
📋 SOP: Forefoot Varus/Valgus Measurement
If a Forefoot Varus or Forefoot Valgus measurement has been recorded on the prescription form, RapidShell3D will automatically rotate the 3D scan to this value. You will need to measure the alignment to ensure that you have accurately rotated the 3D scan.
Position the scan in the Medial view so that the blue Z-axis line is breaking through the heel of the scan at approximately 20mm in height
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When generating a prescription from LaserCAM Prescribe, the Name of Clinic field is used to create a directory within the The First Name and Last Name patient details fields are used to generate a patient specific data sub-directory within this clinic folder. A unique code for the job is also included within the folder name to help differentiate multiple folders for patients with the identical first and last names. For example, if your patient was named John Smith, the patient folder would resemble the following.
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4. The prescription will now be loaded within RapidShell3D.
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Your 3D scan should now be aligned in RapidShell3D, and you should be ready to generate your orthosis model. |
Related SOP's
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