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thicken_face_sheet

brep_kernel

Function thicken_face_sheet 

Source 
pub fn thicken_face_sheet(
    surface: &NurbsSurface,
    thickness: f64,
    symmetric: bool,
) -> Result<Vec<BrepSolid>, KernelRefusal>
Expand description

§5.9 THICKEN a sheet (an open surface patch over its full parameter domain) into a closed solid.

Thin wrapper over thicken_trimmed_sheet passing the full-domain rectangle as the (counter-clockwise) outer loop. The result is one genus-0 body with 8 vertices, 12 edges, and 6 faces (offset caps + four ruled walls), or a genus-1 periodic strip with 4 vertices, 8 edges and 4 faces (offset caps + two ruled walls). Both are oriented outward and validated — or, where a fold BAND crosses the domain, one such body per regular piece. Refuses (Err) on: zero/non-finite thickness, unsupported periodic trims (split at the seam first), degenerate boundaries, and offsets that would self-intersect because a concave curvature radius is smaller than the offset distance.