![This open-source multi-color 3D printing add-on can be built for less than $20 - 3D Printing Industry This open-source multi-color 3D printing add-on can be built for less than $20 - 3D Printing Industry](https://3dprintingindustry.com/wp-content/uploads/2021/08/Screenshot-101.png)
This open-source multi-color 3D printing add-on can be built for less than $20 - 3D Printing Industry
![Amazon.com: DO3D Fast Color Change Natural Rainbow PLA 3D Printing Filament, Tidy Winding 1.75mm PLA, Widely Fit for 3D Printer; 1KG Cardboard 3D Printing Material, Clear Transparent Type Multi Colored PLA : Amazon.com: DO3D Fast Color Change Natural Rainbow PLA 3D Printing Filament, Tidy Winding 1.75mm PLA, Widely Fit for 3D Printer; 1KG Cardboard 3D Printing Material, Clear Transparent Type Multi Colored PLA :](https://m.media-amazon.com/images/I/81gb9p9FpRL.jpg)
Amazon.com: DO3D Fast Color Change Natural Rainbow PLA 3D Printing Filament, Tidy Winding 1.75mm PLA, Widely Fit for 3D Printer; 1KG Cardboard 3D Printing Material, Clear Transparent Type Multi Colored PLA :
![Amazon.com: LOCYFENS Silk PLA Filament Multicolor, 3D Printer Filament Rainbow PLA Filament 1.75mm +/- 0.02mm, 3D Printing Filament 1kg/2.2lbs : Industrial & Scientific Amazon.com: LOCYFENS Silk PLA Filament Multicolor, 3D Printer Filament Rainbow PLA Filament 1.75mm +/- 0.02mm, 3D Printing Filament 1kg/2.2lbs : Industrial & Scientific](https://m.media-amazon.com/images/I/81ayk45wAeL.jpg)