3D print the National Diet Building
A free, printable model of the National Diet Building and its surrounding streets and buildings, generated from real map data in your browser.
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North
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East
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South
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West
The model you print
National Diet Building in 3D
The landmark on its own, at its size on a 160 mm print. Print friendly thickens thin parts for a 0.4 mm nozzle; Full detail keeps every part.
- Real height
- 65 m
- On a 160 mm print
- 18 mm
- Scale
- 1:3,750
65 m of the National Diet Building, 18 mm on your shelf
Make this print opens the generator on a 600 m square around the landmark. Buildings print at close to true scale, so the landmark grows with the print size.
- Tower and thin upper parts
A parliament building with a tower has thin upper parts. Print friendly adapts thin parts to the print scale; printing slowly with good cooling helps tall thin parts.
- One piece with the ground
The National Diet Building is joined to the ground in the exported file, and the four-side check found no floating parts, so nothing needs gluing.
- Pick the detail for your nozzle
In the Buildings settings, set Landmark detail to Print friendly to adapt thin parts and small details to the print scale. Full detail keeps every modeled feature, for larger prints or a finer nozzle.
- Colors
Buildings, roads, water and ground arrive as separate filament slots in the 3MF. The National Diet Building takes the building color.
- File format
You get a 3MF for Bambu Studio, OrcaSlicer or PrusaSlicer. Any of them can save it as STL if you need one.
About the National Diet Building
Both houses of Japan's National Diet meet in the National Diet Building at Nagatachō, Chiyoda, Tokyo. The north wing is for the House of Councillors and the south wing is for the House of Representatives. Finished in 1936, the building uses only Japanese materials, apart from the pneumatic tube system, door locks and stained glass.
Plans for a Diet building go back to the late 1880s, but for its first fifty years the Diet sat in temporary structures, since no one agreed on what form the building should take. The Germans Wilhelm Böckmann and Hermann Ende drew up plans, but their Diet building was never built. A two-story, European-style wooden building opened in Hibiya in November 1890 and burned down in an electrical fire two months later. Its larger replacement housed the Diet until another fire destroyed it in 1925.
In 1918, a public design competition drew 118 entries, and Watanabe Fukuzo won first prize. The present building went up from 1920 to 1936 on a floor plan based on his entry. The roof and tower are thought to have been picked because they struck a more modern hybrid note than the purely European or East Asian designs other architects offered.
About this model
The National Diet Building is one of more than 5,500 landmark models in Mini Skyline. They are made with AI, and each one is checked from four sides in its real surroundings before release. Each model is written as code from public descriptions, plans, photographs and aerial views used only as references; no image or third-party model is copied into it. Everything around it is built from OpenStreetMap and Overture map data. Rights in the building itself, its name and any brands on it are not granted by Mini Skyline; clear them separately before you sell prints. If you would rather print the shape from map data, turn off Landmark models in the Buildings settings.
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