Tool changing 3D printers are hot. The idea is that instead of switching filament, you swap out hot ends or other tools. That isn’t a new idea. However, most tool changers are expensive. [Engineers ...

Editor’s Note: December 10, 2025: We’ve reviewed these selections to ensure they are available and competitively priced. To further update our coverage, with a focus on ease-of-use, we’ve called in ...