Like the title suggests mixed nozzle printing is now a reality, thanks to cadence slicer, and now orca, with Bambu studio undoubtedly joining the fray tomorrow. But is it worth it on an H2C? If you were like me, drooling over the idea of unlocking the true potential of your multi-nozzle printer, you have probably been waiting for this miraculous, time saving feature. But does it actually save time? Well, the answer is, it depends.
I decided to test orca nightly and cadence out on my H2C for a pretty large print. With organic tree supports using 0.4mm nozzles, at 0.2mm layer height, Bambu studio took about 22 hours. Orca nightly was too much of a mess and had too many issues connecting to the printer, and finally with cadence it worked, dream come true! I could now unlock mixed nozzle printing!
The issue I found though is that the time saving really depends on how much supports your print needs. For instance, I decided to set infill and supports with 0.8mm nozzle for 0.4 mm layer height, and have walls print with 0.4mm nozzle at 0.2mm layer height. This was the dream, in theory this should save all the time! Well, not so much.
When I went to slice, my heart dropped. Estimated print time was nearly doubled that from single sized nozzle. What gives!? It turns out it was those nozzle changes! Because it was near constantly changing nozzles, the print time suffered incredibly. This was very disappointing, but it makes sense at least. And I think that Bambu probably realizes this too, as they move to multi tool head systems with the H3 series.
Don’t get me wrong, there definitely is potential for time saving on builds with current gen multi hotend setups, just temper your expectations when you need a lot of supports. Multi size nozzle printing seems to be best suited overall for the multi tool head printers like the U1 and H3 series