![Ultimaker 2 3D Printer [OLD VERSION]](https://cdn.statically.io/img/m.media-amazon.com/images/I/41bUerTfehL._SX342_SY445_QL70_ML2_.jpg)
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Not really a market-ready product
I have recently acquired such an Ultimaker 2.After about one week of use, I have very mixed feelings.Fact is that the Ultimaker 2 is a still-in-development beta product, which I would not recommend to anyone wanting an always (or very frequently) functioning 3D printer.While I have been able to print a few items successfully, and do *not* expect such a device to work flawlessly like an established general public product, I have spent 50% of my time troubleshooting, making intensive use of my mechanical and materials science engineer background.Without going into details, there are quite a necessary design improvements on this printer. For instance, the hot end features a PTFE "coupler", a polymer part subjected simultaneously to the constant load of a spring, and to a >200°C temperature. Logically, the PTFE ends up creeping, slightly deforming under such conditions, which in turn puts the filament feeder under strain. This results is frequent underextrusion.The printer can work nicely, but what you get is more an experimental platform to check your troubleshooting assumptions, rather than a end-consumer product. OK for some people, acceptable for me, but it's better to know it in advance.Have look at all the online forums; you'll see GB of user troubleshooting messages. It does work, but it takes its share.Update April 4th, 2015: The reinforced PTFE coupler seems to have improved things, extrusion-wise; we'll see with time (meaning: extrusion hours). Still, the original PTFE coupled design is an engineering mistake: you do not subject a >200°C heated polymer part to strong loads.
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Reviewed in the United States on October 2, 2015
Reviewed in the United States on November 30, 2015
Reviewed in the United States on May 2, 2016
Reviewed in the United States on February 16, 2015
I have recently acquired such an Ultimaker 2.
After about one week of use, I have very mixed feelings.
Fact is that the Ultimaker 2 is a still-in-development beta product, which I would not recommend to anyone wanting an always (or very frequently) functioning 3D printer.
While I have been able to print a few items successfully, and do *not* expect such a device to work flawlessly like an established general public product, I have spent 50% of my time troubleshooting, making intensive use of my mechanical and materials science engineer background.
Without going into details, there are quite a necessary design improvements on this printer. For instance, the hot end features a PTFE "coupler", a polymer part subjected simultaneously to the constant load of a spring, and to a >200°C temperature. Logically, the PTFE ends up creeping, slightly deforming under such conditions, which in turn puts the filament feeder under strain. This results is frequent underextrusion.
The printer can work nicely, but what you get is more an experimental platform to check your troubleshooting assumptions, rather than a end-consumer product. OK for some people, acceptable for me, but it's better to know it in advance.
Have look at all the online forums; you'll see GB of user troubleshooting messages. It does work, but it takes its share.
Update April 4th, 2015: The reinforced PTFE coupler seems to have improved things, extrusion-wise; we'll see with time (meaning: extrusion hours). Still, the original PTFE coupled design is an engineering mistake: you do not subject a >200°C heated polymer part to strong loads.
After about one week of use, I have very mixed feelings.
Fact is that the Ultimaker 2 is a still-in-development beta product, which I would not recommend to anyone wanting an always (or very frequently) functioning 3D printer.
While I have been able to print a few items successfully, and do *not* expect such a device to work flawlessly like an established general public product, I have spent 50% of my time troubleshooting, making intensive use of my mechanical and materials science engineer background.
Without going into details, there are quite a necessary design improvements on this printer. For instance, the hot end features a PTFE "coupler", a polymer part subjected simultaneously to the constant load of a spring, and to a >200°C temperature. Logically, the PTFE ends up creeping, slightly deforming under such conditions, which in turn puts the filament feeder under strain. This results is frequent underextrusion.
The printer can work nicely, but what you get is more an experimental platform to check your troubleshooting assumptions, rather than a end-consumer product. OK for some people, acceptable for me, but it's better to know it in advance.
Have look at all the online forums; you'll see GB of user troubleshooting messages. It does work, but it takes its share.
Update April 4th, 2015: The reinforced PTFE coupler seems to have improved things, extrusion-wise; we'll see with time (meaning: extrusion hours). Still, the original PTFE coupled design is an engineering mistake: you do not subject a >200°C heated polymer part to strong loads.
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Reviewed in the United States on September 17, 2016
