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Ultimaker Community of 3D Printing Experts


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0235 last won the day on September 5 2016

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  1. I'm sure we have all done it, but this is the first time i had to rescue a print, the very tall narrow support fell over, and thankfully a bit of bluetac sorted it right out!
  2. ok ok, so yes i am currently logged in after having to do some workaround by clicking "reply" to a post, and then it prompted me to log in. but from the forum home page, when not logged in, where is the button to log in to the forum? am i missing something here? Many thanks.
  3. Turns out a screw in the top was completely loose. this cause the Black Y shaped assembly to be able to lift, causing a gap between the bowden tube and the teflon coupler, and then soft fillament would flow into that gap. so strange how such a small thing can cuase so many problems. dissasembled the whole top to get that screw back on, and just printed off a very intricate piece (which i have printed many many times) and its probably the best quality one i have ever done!
  4. I replaced the entire nozzel asembly just over a year ago, and have barely run 4 spools of colourfabb material through it. when i first changed it everything seemed ok, printed only a few things (im a very light user) but in the recent 6 months it constantly jams and it happens inthe same way, somewho the plastic finds a way between the bottom of the bowden tube, and inside the hot end isolator coupler. But i will have a closer look at the coupler, and maybe even the brown PEEK part. the bowden tube is also quite worn out near the nozzel end (do to constantly being removed). i have hear
  5. Hello All, i have an ultimaker original V1 I keep running into an issue with my printer where it will get part way through a print, and then jam up. i have attached a picture of waht happens to the fillament inside the nozzel, and i have to keep removing the bowden tube from the heated nozzel every single time it jams. im on my 5th attempt today of a piece that should be simple. is there any advice on how to fix this?
  6. so adding to my list of "things taht wil lget you on a government watch list" was this. its for a paintball / airsoft toy gun, which i wanted to be able to attach a 14mm RIS rail to its from a 3D scanned part, i then added in a 14mm picatinny rail, and printed it, with no support!! 0.25mm layer height in colorfabb olive and took about 5 hours! only a tiny bit of post processing, barely any bad overhanging areas! the only issue i ran into was trying to use colourfabb filament kept in bad conditions taht was 3 years old! (that was when they still shipped their fillament in unprinted brown boxe
  7. so i notice on quite a few videos of the UM2 (and its variants) it extrudes a nice little pile of fillament before it starts printing, off in one corner. now this looks super useful. with my ultimaker original (with loads of upgrades) i have to do this manually, and sometimes forget to paus a print while its pre-heating. what setting is it in Cura to enable this? and is it a setting that was still present waaaay back in 14.07? many thanks!
  8. well i bit and went ahead with the official heated bed upgrade, and boy do i regret not buying it earlier! wow! prints come out looking lovely, no more getting the pliers out to remove stubborn items from the blue tape (though the option for blue tape when you need somthing not shiny is still there) the bed is so level, and really easy to modify now. just love it!
  9. this is my week so far! "everyone loves a slinky!!" well not really. thats 3 spools of colorfabb all completely knackered right to the core!
  10. I used to use 3M 3434 Scotch tape. its designed for car body spraying. i found my prints werent sticking, so before each print i would use some medical rubbing alcohol on the blue tape, just a quick wipe over about a minute before the print started. this worked a treat, however i found that the print would stick to the tape, but then teh tape would peel off. then i discovered 3434. this sticks well. REALLY well. the actual surface of the tape isnta s good as the normal blue tape to stick to, but with the rubbing alcohol method i rarely had any prints lift off after that, and when they did, i
  11. Hello All! so as i am in the process of giving my ultimaker origonal a serious overhaul (dual fans, heated bed, enclosed build chanmer and multiple new parts) I realise that to print some of these new parts (espcially parts that will be subjected to a lot of heat or strain and pressure) its best to print them in ABS so as someone who has never used ABS, only using PLA, what is the best method to 1) prepare your printer to print ABS, so purging it etc 2) best wat to get ABS parts to print and stick to your heated bed 3) getting my printer back to printing PLA also any advice on characteri
  12. so a little bit of a first world problem (a bit like the air con in here is too cold!!!) but the power suply brick that comes with the heated bed is so much bigger, and the actual cable is so so so much shorter, i can no longer get the power to reach to the printer. And when the power brick is on the floor, even then the cable is too short to reach the printer. why such a short cable? do people keep their printers on the floor? im using standard height kitchen counters.
  13. some go from putting blank 9mm rounds in that go bang, some are more like fireworks, some are like fireworks with dried peas in them that scatter everywhere (for bio degradable-ness) and others are very similar to the 40mm grenade, so filled with gas, and then spray bb's out. of course these cant be thrown at people, being big and heavy, most sites say either drop them through a window or doorway, or roll them across the floor
  14. they are small gas canisters which you put gas in, and then anywhere from 80 - 200 bb's in the front. when the button on the back is hit, it releases the gas shooting all the bb's out. so nothing flies out the end, just LOADS of little plastic pinging everyhwre with a very assertive pop! still, its so far in the early stage, and while individual components work well, it all needs loads of tweaking to get working. i was inspired by someone who made an airsoft China lake grenade launcher, all by hand. i was blown away!
  15. how can we update materials, the "edit" button is greyed out when i have the PLA profile selected in the material preferences many thanks
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