I have seen lots of printers that print chocolate using a syringe with molten chocolate. But, even cooler, would it be possible to print chocolate using some kind of feed system for continuous chocolate printing, so large objects and for a prolonged time, not only lasting the content of one syringe with molten chocolate ?
Things to consider are IMO:
- How to keep the chocolate long enough in a molten, viscous state enough to print ?
- Chocolate needs a tempering temperature, which means it needs to be around 32-37 degrees celsius, else it doesn't shine but gets a dull look (or turns white after a while).
- Chocolate is food, so you need foodsave equipment in the whole chain that is in contact with the chocolate.
Maybe a peristaltic pump that keeps pumping the molten chocolate to the extruder, which might be a valve that can be open/closed from G-code ?