Klayout - 25d View

layout_view.update_3d_view

But what exactly is "2.5D"? It isn't true 3D rendering (like you’d see in Cadence Virtuoso 3D or Siemens Calibre 3DSTACK). Instead, the 2.5D view in KLayout gives you a pseudo-3D perspective where 2D polygons are extruded vertically based on layer information. This article dives deep into how to activate, configure, and leverage the KLayout 2.5D view to debug your designs faster than ever before. Before clicking buttons, let’s clarify the terminology. A true 3D view requires volume rendering (height, width, depth). KLayout does not natively do this because it is a layout tool, not a mechanical CAD tool. klayout 25d view

In the world of semiconductor design, visualization is just as critical as routing. For decades, chip designers have relied on flat, top-down 2D views to inspect masks and layers. However, as process nodes shrink (28nm, 16nm, 5nm) and vertical stacking (3D-ICs, FinFETs) becomes standard, the traditional planar view often falls short. layout_view

height = 0 if name.include?("metal2") height = 60 elsif name.include?("metal1") height = 30 elsif name.include?("poly") height = 10 elsif name.include?("via") height = 20 end layer_info.fill_3d = true layer_info.height_3d = height lv.set_layer(layer_index, layer_info) end This article dives deep into how to activate,

Everything looks like flat colored paper. Solution: You forgot to set the "Height" in Layer Properties, or you haven't tilted the camera (still in top-down orthographic mode).

Run this script, and your 2.5D view configures itself instantly. Problem: The 3D view is completely black. Solution: You are likely looking from inside the substrate. Reset the camera ( View > Reset 3D Camera ). Also, ensure your "Background color" in preferences is not black (set it to dark grey).