STL (file format) - Wikipedia (US)
Example of STL vs CAD format STL (STereoLithography) is a file format native to the stereolithography CAD software created by 3D Systems. STL is also known as Standard Tessellation Language. This file format is supported by many other software packages; it is widely used for rapid prototyping and computer-aided manufacturing. STL files describe only the surface geometry of a three-dimensional object without any representation of color, texture or other common CAD model attributes. The STL format specifies both ASCII and binary representations. Binary files are more common, since they are more compact. An ASCII STL file begins with the line: solid name where name is an optional string (though if name is omitted there must still be a space after solid). facet normal ni nj nk outer loop vertex v1x v1y v1z vertex v2x v2y v2z vertex v3x v3y v3z endloop endfacet endsolid name White space (spaces, tabs, newlines) may be used anywhere in the file except within numbers or words.
Related: STL, G-code
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