With resin printing, it’s as simple as mixing the resins in most cases. For FDM printing you’d have to find a way to melt down the filament and extrude it back into filament again.
There are some printers than can use two filaments at once and blend them while printing.
Generally, you don’t. Making your own filament is not really done by anyone. Typically you just use pre-made colors, or paint them afterwards with acrylics like I do.
TIL that you can 3d print with colors.
what do you do if you need a color you don’t have. i’m presuming that you mix them, but how?
With resin printing, it’s as simple as mixing the resins in most cases. For FDM printing you’d have to find a way to melt down the filament and extrude it back into filament again.
There are some printers than can use two filaments at once and blend them while printing.
Generally, you don’t. Making your own filament is not really done by anyone. Typically you just use pre-made colors, or paint them afterwards with acrylics like I do.