3D-Printing File Image Generator and Directory Representor is a tool designed to help 3d-print file collectors visualize their collections. The program uses Blender to create a .pngimage for every ...

This tool allows you to easily import STL files into Blender, apply materials, set various render parameters, and generate PNG renders — all from the command line without opening the Blender GUI. The ...

Since the software is open-source, you can download it for free and can even modify it for your needs. Blender’s Repair Tool isn’t exactly “one-click” like the other software platforms in this list.

The most common reason an STL file may be not quite right is a mechanical connection where some piece isn’t quite as the designer expected, so the 3D model that interfaces with it no longer fits.