May 16, 2018 STL files are everywhere. When there’s something to 3D print, it’s probably going to be an STL. Which, as long as the model is good just as it is, is no trouble at all.

We continue our DIY-IT discovery series on 3D printing by exploring how to download and print 3D objects from the Internet. If you can download a file, and you have a little patience, you can do this.

Stereolithography, or STL, is the most common file type that makers use. It's also one of the oldest. According to Adobe, "STL was created by 3D Systems in 1987 as part of their stereolithography ...

PrusaSlicer has a new feature: the ability to import a CAD model for 3D printing. Starting in version 2.5.0-beta1, PrusaSlicer can import STEP format 3D models. An imported STEP file is converted t… ...

The file types you can convert to are much more limited—there are only six of them—but Spin 3D includes outputs in 3DP and 3DX in addition to STL and OBJ formats.

3D printing enthusiast world wide have at some point used Netfabb's cloud service to repair .STL files that were not solid meshes and not manifold.