I really don't understand the appeal of this sort of machine. I have a pretty big (300x300x300mm) and very fast printer, and large prints are still annoyingly slow and expensive. I can't ever imagine FDM printing (especially with a small, filament-fed hotend) being an appropriate way to make "arbitrarily long" objects. Other people have scaled the platform I have up to 500mm and 700mm, and get great results on genuinely large objects too, not just on long things.
Furthermore, the volume production stuff is just silly. If I'm printing a bunch of small objects, I'd rather fill a build tray with them, and then swap it out every 8 hours when it's done. The belt release stuff really seems to have reliability issues. Or, just use an appropriate manufacturing technique for high volumes...
Maybe I'm just a curmudgeon with bad memories of belt build surfaces from a Thing-O-Matic.
Furthermore, the volume production stuff is just silly. If I'm printing a bunch of small objects, I'd rather fill a build tray with them, and then swap it out every 8 hours when it's done. The belt release stuff really seems to have reliability issues. Or, just use an appropriate manufacturing technique for high volumes...
Maybe I'm just a curmudgeon with bad memories of belt build surfaces from a Thing-O-Matic.