Klayout 25d View May 2026
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).
Objects flicker or have gaps between them. Solution: This is "Z-fighting" (two layers at exactly the same height). Set a micro offset (e.g., Metal1 height 30, Via height 30.001). Alternatively, lower your screen's anti-aliasing settings. Conclusion: The Perspective You Didn't Know You Needed The KLayout 2.5D view is not a gimmick; it is a pragmatic debugging scalpel. While you will never replace the precision of DRC/LVS with a 3D visual, the human brain is wired to spot spatial anomalies instantly. klayout 25d view
# This script sets heights based on layer name keywords layout_view = RBA::Application.instance.main_window.current_view lv = layout_view.active_layerview for layer_index in lv.each_layer do layer_info = lv.layer(layer_index) name = layer_info.name.to_s.lower Everything looks like flat colored paper
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. Solution: This is "Z-fighting" (two layers at exactly
layout_view.update_3d_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