Hi, DrL, if I understand your suggestion correctly, our machines are specifically designed to do just that. You can mount up to 4 completely independent extruders on all our machines, each with its own autonomous temperature control. That means you can use up to 4 completely different materials. In the future, they won't even have to all be plastics.

For example:
- you can use an expensive, pretty, sparkly PLA filament for perimeters
- a cheap plain PLA filament for structural infill
- a PVA support filament
- a conductive PLA filament as an RF shield

Later next year, when we ship a low-temp paste extruder, you'll be able to add paraffin wax as ballast and/or filler to make the part differently stable then the normal weight distribution will allow. Or you could 3D print a composite hybrid rocket motor grain made of a combination of ABS and paraffin wax. If the current efforts to develop low-resistivity conductive filaments succeed, you'll be able to print wires right inside the structural components, as well.


Multi-material printing is a very important capability for us, and we're working hard to make it available to as many Makers as possible.