STL, abbreviation for stereolithrography, is an interchangeable file format that represents 3-dimensional surface geometry. The file format finds its usage in several fields such as rapid prototyping, 3D printing and computer-aided manufacturing. It represents a surface as a series of small triangles, known as facets, where each facet is described by a perpendicular direction and three points representing the vertices of the triangle.
Upload your STL document and you will be redirected to the STL Viewer with great user experience and many more features.
It works from all platforms including Windows, Mac, Android and iOS. All STL files are processed on our servers. No plugin or software installation required for you.
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You can also view many other file formats. Please see the complete list below.