Good 3D printers now ... you only have a single extruder and hot end. My method is a lot more trouble, but it can generate good results. Keep in mind, with hobby-grade printers, multiple color ...

We’re familiar with [Arkadiusz Spiewak’s] craftsmanship from that H-bot type 3D printer we saw from him ... After testing out the motors and the extruder head mount he made one final design ...