KLayout’s default interface is strictly top-down (XY plane). To switch to 2.5D, follow these steps:
The 2.5D view isn't just a "one-click" magic button; it requires a bit of configuration to know how high to extrude each layer. Check Requirements : Ensure your version of KLayout is compiled with OpenGL support klayout 25d view
About the author: This article is written for IC, MEMS, and PCB layout professionals using KLayout. For further reading, consult the official KLayout documentation under “2.5D View” and explore the user forum threads on setting realistic layer heights for your specific technology node. Step 3: Configure the Layer Stack The most
Hold down the Shift key or middle mouse button while dragging to move across the layout horizontally or vertically. For further reading
Alternatively, some distributions integrate it directly into the menu or provide a 2.5D toolbar icon. Step 3: Configure the Layer Stack
The most critical prerequisite is that your version of KLayout must be and your hardware must support it. This is because all 3D rendering is handled via OpenGL. If you've built KLayout from source and the 2.5D view option is missing from your "Tools" menu, a missing OpenGL dependency is the most likely culprit. Using a pre-built binary from the official KLayout website is the safest way to ensure this feature is available.
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