So you’ve created your 3D model… now what? Many 3D design programs have their own renderer built in, but some don’t. You may need an external program to create images. In other cases, the software may include its own renderer, but it may not have all of the features that a stand-alone renderer provides.
If you’ve never tried a stand-alone renderer before and want to try one, here is a list of well-known stand-alone 3D rendering programs that are available from their creators free-of-charge: