STL is renowned for its ability to transmit the geometric makeup of a 3D design and bring computer-aided designs to life. It still uses triangular tessellation to create the geometric surface of an object, storing details about each triangle, such as each different vertices’ coordinates. Since its creation, the STL file format hasn’t changed much, and is now considered the standard for 3D printing. The process used a computer-controlled laser beam and pre-programmed CAD software to create 3D models for rapid prototyping. STL was created by 3D Systems in 1987 as part of their stereolithography printing technology for commercial 3D printers. stl file extension and by its lack of color and texture. The more complex the design, the more triangles used, and the higher the resolution. You might also hear it referred to as Standard Triangle Language or Standard Tessellation Language.Įach file is made up of a series of linked triangles that describe the surface geometry of a 3D model or object. The name STL is an acronym that stands for stereolithography - a popular 3D printing technology. STL is a file format commonly used for 3D printing and computer-aided design (CAD).
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