The three strategies we’ll investigate are classified as the ‘Pause and Swap’ means of swapping filament spools, printing objects in various pieces, and utilizing rainbow filament to create components using a gratifying shade changeover. You may also paint your model after printing, but which will be an entire other posting. https://hectordlpsw.dailyhitblog.com/35130107/multicolored-3d-printer-fundamentals-explained