The STL file (Standard Tessellation Standard) converts the original CAD file into a mesh of tiny triangles laid over the surfaces defined by the CAD model. The STL file simplifies the complex mathematical description of the solid surface geometry into a form that is easily and universally readable by SLM machines. The surface geometry is broken down (tessellated) into a series of logically small triangles known as facets. Each facet is described by the triangle and its perpendicular direction.
In SolidWorks, the option to refine these resolution settings is accessible when the file is saved as an STL dataset.
When saving the file as an STL extension, go into 'option' to optimise the resolution and size of your output file.
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