![]() For more information on this topic, see this excellent tutorial on Shapeways. If yours doesn't, try the free Meshlab software. Most 3D apps have support for testing manifoldness. Basically, it confirms that the surface can exist in reality - the main requirement being that each edge should be connected to exactly two faces. This is a mathematical term describing object surfaces. Manifold - Related to the concept of watertightness is ' manifold'. So take care to close your model! Of course you can still have models with holes in them, like a donut, but make sure that the surface is continuous and closed. Watertight - Is your model ' watertight'? 3D printers get confused if there's a 'leak' in your model - essentially this would reduce the model to a two-dimensional shell. Most 3D applications can export to STL so it's easy to convert a model that you downloaded from Sketchfab. ![]() These points may vary between different printers, so it's always best to check with the manufacturer!įile format - What kind of file format does your printer require? Most printers will accept STL files, although commercial services can work with a wider range of file types (e.g. However, because you can only download the author's original files, some models will need a bit more work before printing. ![]() ![]() Some files are ready to print right away. You might want to download a model to 3D print it on your own printer or a printing service like Shapeways. ![]()
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