1 Stone countertops, including granite, other natural stone and quartz resin (engineered stone) cost $4-$150 per square foot, or $120-$4,500 for a typical 30 square foot kitchen countertop. 2  Stone tiles cost $4-$20 per square foot; slab stone countertops cost $50-$150 per square foot.
STL (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.
How to Create an STL file from a XYZ file in MeshLab. MeshLab is an opensource, portable, and extensible system for the processing and editing of unconstructed 3D triangular meshes.[1] This tutorial shows the workflow from how to import an XYZ file and export an STL file.