3D print the Sydney Opera House
A free, printable model of the Sydney Opera House, its shells and podium, and the harbor waters and shoreline around Bennelong Point, generated from real map data in your browser.
Free, in your browser. Exports a slicer-ready 3MF.
About the Sydney Opera House
The Sydney Opera House is a performing arts center with multiple venues, in New South Wales, Australia. It takes up all of Bennelong Point on Sydney Harbour, which lies between Sydney Cove and Farm Cove, next to downtown Sydney and the Royal Botanic Garden. It is widely regarded as a masterpiece of 20th-century architecture. Danish architect Jørn Utzon designed it, and an Australian team headed by Peter Hall completed it. Queen Elizabeth II formally opened the building on October 20, 1973. Utzon had won the international design competition 16 years earlier, in 1957.
A monumental podium carries the roofs, which are large precast concrete "shells," each made from sections of a sphere with a 75.2 m (246 ft 8.6 in) radius. Its footprint is 1.8 hectares (4.4 acres), with a length of 183 m (600 ft) and a width of 120 m (394 ft) at the widest point. It rests on 588 concrete piers, reaching 25 m (82 ft) beneath sea level, and its highest roof point is 67 m above sea level. The shells look uniformly white from a distance, but they are tiled in a chevron pattern made from 1,056,006 tiles, some glossy white and some matte cream.
Several performance venues share the building and together host over 1,800 performances a year for more than 1.4 million people. The Concert Hall, home of the Sydney Symphony Orchestra, has 2,679 seats and a Grand Organ with over 10,000 pipes. Utzon drew on palm leaves, rivers, walnuts, shells, clouds and bird wings, among other natural shapes. In 2007 the building gained UNESCO World Heritage Site status.
How it prints
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.
| Print size | Landmark height | Scale |
|---|---|---|
| 160 mm default | 18 mm | 1:3,750 |
| 200 mm | 22 mm | 1:3,000 |
| 256 mm | 28 mm | 1:2,344 |
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North
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East
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South
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West
- Sharp sail peaks
- The shells rise to thin, curved ridges. Layers of 0.12 to 0.16 mm keep the peaks crisp, and a larger print keeps the thin edges distinct.
- Smooth curved surfaces
- Tall curved shells can show stepping between layers. Thin layers soften it, and Print friendly adapts the narrow gaps between shells to your print scale.
- One piece with the ground
- The Sydney Opera House 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 Sydney Opera House 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 this model
The Sydney Opera House is one of more than 2,300 landmark models in Mini Skyline. They are made with AI, and each one is checked from four sides in its real surroundings before release. Everything around it is built from OpenStreetMap and Overture map data. If you would rather print the shape from map data, turn off Landmark models in the Buildings settings.
Common questions
Is there a Sydney Opera House STL I can download?
Mini Skyline builds the file for you in your browser and exports 3MF, which every major slicer opens. If you need an STL, open the 3MF in your slicer and export it from there.
How big can I print it?
Any print size from 40 mm across. The Sydney Opera House grows with the print: about 18 mm tall on the default 160 mm print. For a model larger than your printer bed, Project Mode splits the area into tiles.
Is it free?
Yes. Generation runs in your browser, with no account and nothing behind a paywall.
