## 3.4. Variable Core Thickness

In many cases, the thickness of a sandwich panel is constant or single plies have a constant thickness. For structural efficiency, cores with variable thickness are used more often since CNC milling allows the production of core plies with complex shapes.

In ACP there are three different ways to define a laminate with variable thickness:

- Solid CAD Geometry
- Look-Up Table
- Geometry Cut-off Selection Rule
- General Application

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