Edit thresholds
Bone thresholds
To edit bone thresholds:
On the 
Home tab, click 
Edit Thresholds to access the wizard.
Check the bone threshold of the patient model in the 2D and 3D viewers and adjust if needed:
Drag the Bone threshold slider at the bottom to the left or the right until the desired threshold is reached. The model is adjusted accordingly.
Type the desired isovalue in the Bone threshold box.
Revert to the initial isovalue using the reset icon 
.
Click Next.
Skin thresholds
To edit skin thresholds during the create skin model wizard:
Drag the Skin threshold slider at the bottom to the left or the right until the desired threshold is reached. The model is adjusted accordingly.
Type the desired value in the Skin threshold box.
Enter a value in the Skin threshold slider box.
Revert to the initial value using the reset icon .
Click Finish.