Klayout 25d View ^new^ Review

The 2.5d View in KLayout is a feature that creates a pseudo-3D representation of your layout by extruding 2D layers into vertical blocks. It is primarily a visualization tool used to inspect complex multi-layer structures like via stacks.  Key Requirements 

Visual Representation: It effectively visualizes the relative vertical positions of features, such as metal layers, vias, and dielectric spacers. klayout 25d view

The 2.5D view is only available if your version of KLayout was compiled with OpenGL support. Go to Tools > 2.5D View. The 2

3) MEMS or micromachined cavity inspection

• Map sacrificial and structural layers to their true thicknesses.
• Visualize anchor regions, undercuts, and cavities by combining positive and negative height assignments (e.g., etched-away areas shown as recessed regions).