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.
The another thing i found is that i created one .stl file in v5 using file-save as- .stl & insert this file in new catproduct.This file is now opening in v5 but when i try to insert another .stl file which is created in another software that is not opening. we are using HD2 licience. Thanks.