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stuart-sato

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  1. For large prints I take the glass plate out and put it in the freezer when the print is done, come back 10 minutes later and it will have popped off by itself... Smaller prints I can usually pry off by hand once the bed nears room temperature... DONT use violence or force to pry off a print, you CAN damage the glass plate (ask me how I know) I've loosened prints by inverting canned air and using the propellant to cool the bed. Seems to work pretty well.
  2. Since most prints are long, often overnight, and sometimes need to be aborted mid print, I watch my prints with a drop cam and have the printer plugged into a wireless controlled switch made by Belkin. I can watch my print progress on my phone and also turn off the Belkin switch with an iphone app.
  3. I just finished a 30 hour print with no problems. It came out flawless. I did give the feeder mechanism the once over after completion just to make sure nothing was working loose.
  4. To get the type of resolutions you will need for a dental crown you will need a Stereolithograpy 3d printer. They basically use light to cure resin. The B2 uses a projector, the Form 1, a laser. I ran across a new printer from dwslab.com. You might want to check that out too. I have also seen specific resins that will burn out cleanly. A lot of jewelers are designing jewelry in a CAD program like Rhino, then printing out a pattern and investing it just like the traditional lost wax process. That being said, I am not sure if any of those printers have the resolution you will require to have an accurately fitting crown.
  5. I did a couple of things to eliminate the squeak and also help reduce tension on the filament feeder. First, I printed out from Youmagine the Filament guide V2. That helps redirect the filament so it enters the feeder more vertical. Then I wrapped some plumber's teflon tape around the spool holder and also around the guides. That seems to greatly reduce the friction of the spool holder and the filament guides. I just finished a 30+ hour print without problems.
  6. I have around 30 hours of print time on my new UM2 and am wondering general maintenance I should be doing on a regular basis. I have been reading about problems with the filament feeder and cloging of the extruder and am wondering if I need to periodically need to clean them to prevent problems. Thanks!
  7. I just set up my UM2 I brought home from Makerfaire and am starting to do my first prints. I am printing the default robot that is on the SD card. How can I view what the print settings for this print? I am also trying to adjust the print speed and temperature. Is that adjusted thru Cura? I see under the "Basic" tab there is a heading for " speed and temperature". There is a box to input print speed, but nothing for temperature so I am a bit confused. What do you suggest for a print speed and temperature? From what I have been reading that seems to have the most effect on print quality. Sorry for the Newbie question. I'm sure I'll have more!
  8. I just got home from the Bay area Makerfaire this past weekend and picked up a UM2. The Maker Shed had 40 UM2's in stock and as of Sunday it looked like there were quite a few left. They told me the remainder will be available online after the show. If you want to purchase one, you may want to keep an eye on the online store to see when they are listed. Here is a coupon code for 10% off: MFBA2014 . Not sure if it will work but give it a try.
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