Anyone interested in 3D printing will quickly discover that STL files are an important part of the process. STL files are to 3D printing as HTML files are to websites. Both offer computer readable instructions describing how elements should be positioned. The main difference is that while HTML files create on screen presentations, STL files can make the leap into the real world. While some STL files come with a pricetag, the following sites offer a wide selection of free STL files for 3D … [Read more...]