![]() ![]() It also contains a normal vector for each triangle, which defines the triangle’s direction. Hence, to describe the 3D model, the STL file stores the coordinates of the triangles’ vertices in the mesh. The mesh laid out on the model’s surface closely approximates the shape of the surface itself. Each triangle shares at least two vertices neighboring triangles. Tessellation involves laying out a series of interconnected triangles in a mesh over the surface of the model. STL files store information about the 3D model using a principle called “Tessellation.” You can then send the STL file to a slicer to prepare it for Printing. It’s the file format you convert your 3D objects into after modeling them in the CAD software. It is important to note that it doesn’t contain any information about the model’s color, texture, or other attributes. STL, which stands for Standard Tessellation Language or Stereolithography, is a file format used in describing the surface geometry of a 3D object. 5.3 How to Reduce STL File Size with Blender What are STL Files? ![]()
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