Middle surface is a simplification representation of complex solid shapes. It's used most for model simplification.
To open Middle Surface:
Click Middle Surface (Surface toolbar) or click Geometry, Surface, Middle Surface.
In the dialog , select the type of you want to create the middle surface:
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a. middle surface between two faces |
b. middle surface between two face groups |
a. raw solid shape b. middle surfaces of the raw solid shape, "Stitch Mid-Surfs" is checked.
a. select a seed face b. searched same level surfaces on the same solid
a. select a seed face b. searched same level surfaces on the same solid, the angle tolerance is set as 70.0