3DPrinting
3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.
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I have a U1 which is what prompted this post. But Snapmaker doesn't "use" a Prime tower. They took Orca and kept all the defaults. I was thinking that they might have intentionally kept the prime tower default because they don't have a real poop chute but only a poop bin which would quickly overflow if they primed into it.
I don't have one, but I expect they kept that default setting for the reasons outlined above, but because of a lack of poop chute.
I have a Creality Hi, and a 3D-printed poop chute off the side of the printer holds plenty of poop for typically-sized 4-colour full-purge prints.
For really huge prints, I empty once mid print, but those prints last for days anyway, so it's no big deal.
With no need for colour/material purging, I would expect a purge tray to be plenty for a multi-toolhead printer. I can't imagine it purges much?
The prime tower probably could be much smaller. Its size is mainly structural so that on a tall print it stays stable. But the poop tray on the U1 is pretty small. I could see it needing to be emptied after every large multi color print if it primed into the poop tray.
I suppose that makes sense. I almost entirely print short things, and when I do taller prints, it's always single colour because it's a functional piece.
I'm not interested in giant 3D print display art, personally, so I've never run into that challenge. Hell, I set my prime tower brims to 0 just to make it easier to get off the plate.