Exporting a STL File

<< Click to Display Table of Contents >>

Navigation:  The PCB > Viewing the PCB in 3D > The 3D Viewport > 3D Exporting >

Exporting a STL File

STL (an abbreviation of "stereolithography") is a file format native to the stereolithography CAD software created by 3D Systems. STL has several after-the-fact backronyms such as "Standard Triangle Language" and "Standard Tessellation Language". This file format is supported by many other software packages; it is widely used for rapid prototyping, 3D printing and computer-aided manufacturing.[5] 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 STL file describes a raw, unstructured triangulated surface by the unit normal and vertices (ordered by the right-hand rule) of the triangles using a three-dimensional Cartesian coordinate system. In the original specification, all STL coordinates were required to be positive numbers, but this restriction is no longer enforced and negative coordinates are commonly encountered in STL files today. STL files contain no scale information, and the units are arbitrary.

Find Out More...

The Export to STL Dialog

clip1407

Set the units by click on the appropriate unit button clip1415.

Check the appropriate radio button clip1417 to set the output format.

Check clip1413to export only the top copper.

Check clip1414to export only the bottom copper.

Check clip1416 to optimize the 3D output for printing.