I'm not seeing where to add attachments on this forum. There is an "attachments" area under the "my media" link, but nowhere I could find to actually upload. Maybe because my account is so new?
If anyone wants to give this STL a test run I'd appreciate it. Rapide 3d, MakerGear and Maker's Toolworks have all kicked one out for me, so that only leaves the Ultimaker 2.
One thing to do would be to upload one of your models and wait for Ultimaker owners here to accept the challenge :smile:
To start with, it is not completely obvious that the UM2 beats the Flashforge, you can check this topic: http://umforum.ultimaker.com/index.php?/topic/6293-comparison-of-ultimaker-2-to-mankati-xt/?p=91993
I never got any reply in that thread on the how the Flashforge handles fast accelerations though, something that there is most likely a lot of in your models. I imagine this can cause the problems with ringing and that the UM2 has an advantage there.
According to my latest tests it also seems like the nozzle design on the Flashforge is a bit better than the UM2 original nozzle, and that that might be the main reason for the quality difference. Some rumors claim new UM2 now ship with a slightly improved nozzle.
You will never get away from the fact that having the feeder close to the nozzle will give you slightly better flow control though, but it has most impact on really tiny objects.
I designed an upgrade for the UM2 by the way which makes it possible to fit E3D-nozzles and similar, which means you can select from nozzles between 0.25-0.8 mm, and thereby go for finer details or higher printing speed: http://umforum.ultimaker.com/index.php?/topic/7689-custom-heater-block-to-fit-e3d-nozzle-on-ultimaker-2/
The Ultimaker can print down to 0.02 mm layers, which tends to take forever but of course also improves the surface quality a lot. I recently printed a solid thing the size of a matchbox at 0.04 mm and 40 mm/s with a 0.3 mm nozzle it took 18 hours. So if you have the patience, you can get really nice prints.
In your case, I would also consider testing other filaments. Some of the filled ones for example, like the Laybrick, can give a really smooth, stone-like surface that is almost impossible to get with unfilled plastics.
They can be a bit tricky to print though, I would advice to use as little retraction as possible for Laybrick for instance.
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Anders Olsson 136
One thing to do would be to upload one of your models and wait for Ultimaker owners here to accept the challenge :smile:
To start with, it is not completely obvious that the UM2 beats the Flashforge, you can check this topic: http://umforum.ultimaker.com/index.php?/topic/6293-comparison-of-ultimaker-2-to-mankati-xt/?p=91993
I never got any reply in that thread on the how the Flashforge handles fast accelerations though, something that there is most likely a lot of in your models. I imagine this can cause the problems with ringing and that the UM2 has an advantage there.
According to my latest tests it also seems like the nozzle design on the Flashforge is a bit better than the UM2 original nozzle, and that that might be the main reason for the quality difference. Some rumors claim new UM2 now ship with a slightly improved nozzle.
You will never get away from the fact that having the feeder close to the nozzle will give you slightly better flow control though, but it has most impact on really tiny objects.
I designed an upgrade for the UM2 by the way which makes it possible to fit E3D-nozzles and similar, which means you can select from nozzles between 0.25-0.8 mm, and thereby go for finer details or higher printing speed: http://umforum.ultimaker.com/index.php?/topic/7689-custom-heater-block-to-fit-e3d-nozzle-on-ultimaker-2/
The Ultimaker can print down to 0.02 mm layers, which tends to take forever but of course also improves the surface quality a lot. I recently printed a solid thing the size of a matchbox at 0.04 mm and 40 mm/s with a 0.3 mm nozzle it took 18 hours. So if you have the patience, you can get really nice prints.
In your case, I would also consider testing other filaments. Some of the filled ones for example, like the Laybrick, can give a really smooth, stone-like surface that is almost impossible to get with unfilled plastics.
They can be a bit tricky to print though, I would advice to use as little retraction as possible for Laybrick for instance.
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