conz
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Posts posted by conz
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The time is near that I have to think about the teflon replacement. I have only printed with PLA (incl. woodfill and polymaker PLA) for many hours now.
I don't like the requirement of expendable materials other than the filament. And I have read different impressions about the new teflon part with glass by ultimaker. (more friction)
I'm a little bit confused about all my current options for the UM2.
Is there some overview what alternatives are available for the UM2? With tests for the different hotend solutions?
Some users here seem to have some good experiences with "all metal hotends", but mostly on UM1. And I like the idea of different nozzle sizes.
Do you have some preferences for hotends for UM2 and some links what I have to change on the UM2 for the alternatives?
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"there is no cloud, just other people's computers"
(Photo by Matthias Kirschner @kirschner )
Why should I send my designs and digital constructions to other people's computer?
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Yes, that's pretty much the main use we see for dual extrusion request right now. So we need a proper soluble material with that as well, and improved software support.
little bit OT, just an idea:
Would it help to find a proper material, to print only one or two layer of some divider material? The support could be printed in the same material as the object. The soluble material would be only on the contact surfaces betw. support and object. In this way problems like different shrinkage of the two materials are minimized. And it would reduce the requirements on the helper material. (It would avoid the printing of bigger structures with the soluble material).
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Is it just me or does CES seem rather boring this year?
Only exciting news came from Ultimaker.
IMHO the Voxel8 is exciting. Printing with conductive inc "it is 5000x more conductive then the conductive pastes and filaments currently being used and experimented with by other companies".
http://3dprint.com/35085/voxel8-electronics-3d-printer/
And the resolution of the OWL MC-1 and MC-2 is quite impressive (Resolution: 1 micron) ô.O.
Ok, it's Photopolymer not FDM,
http://3dprint.com/35431/owl-mc-1-mc-2-ces-2015/
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Barnacules Nerdgasm has printed and tested the wrench on UM2:
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I wouldn't sleep in the same room where the printer is working. Beside of the noise, I would rise concerns over the fumes.
A video would help to determine any sounds that aren't normal.
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Shapeways will be an early customer of the HP machine and will offer printing service next year with this printer.
On paper it sounds really impressive. But nothing for at home, yet.
I would agree with this headline:
"HP's 3D Print Breakthrough Could Push Rivals 'Out of Business'"
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Temperatur gibt es nur am Drucker. Damit wird sichergestellt, dass ein Objekt (gcode) mit verschiedenen Materialien gedruckt werden kann (die ja unterschiedliche Temperaturen brauchen).
Es gab das mal in Cura, wurde aber aus o.g. Grund wieder entfernt.
Die % der Geschwindigkeit bezieht sich auf den PrintSpeed in Cura.
Beispiel: Wenn Du in Cura die Geschwindigkeit auf 60mm/s setzt und als gcode speicherst, dann bedeuten 50% am Drucker dass mit 30mm/s gedruckt wird.
Aus diesem Grund bringt es nichts, wenn manche Leute bei der Frage nach Geschwindigkeit mit x% antworten.
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It sounds as if the feeder is skipping.
Make an ear trumpet out of a sheet of paper, and try to localize the source of the sound.
Is the feeder snapping back at the moment of the click?
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3rd video:
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2nd video by barnacules from MakerFaire with a lot of Ultimaker stuff.
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Yes, but you are an experianced user and you know that you can deactivate it. All the noobs with first postings may not activate the follow. So a lot of new users are asking a question and get no massage about the answerrs.
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IMHO the option to follow a topic, where the user has posted in a thread or started a new one, should be "on" by default.
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Maybe try to turn the glass around. IMHO if there is a irregularity in the surface of the glass, than it should be only on one side.
The first layer has it's own setting in Cura. It is independent from the normal layer hight. I have good results with the first layer to be a multiple of the normal layer hight. But the relation of the values is not really relevant.
EDIT: @solid print 3D: You can follow this thread (Button on the top), than you will get informed on every new posting in this thread.
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@Woofy: Do you want to design a quadcopter that can fly in rain, or do you want a real diving/swimming quad?
I love this video:
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I was thinking to make the container in FlexPLA.
That is a nice idea.
The inner side of the container shouldn't be round. The expensive tumblers are six or eight sided containers.
And the flexible ones are round on the outside and with sides in the inside. Take a look at this video (At 1m20s she explained the shape in the inside.):
She uses water to avoid the residue on the surface. For that the container must be watertight. Don't know how the bronzefill will react to the water.
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Maybe the solution is one extruder with two feeder. I don't understand how this could work, but Sharebot has managed to build it:
http://3dprint.com/13682/sharebot-q-3d-printshow/
EDIT: Hmm, it looks like it's only one (direct) feeder with two bowden tubes... no idea how this is be done.
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3D-Universe tested some rock polishers to polish bronzefill. Looks very promissing:
https://www.youtube.com/watch?v=aQmqQ2KaaJY
https://www.youtube.com/watch?v=1ehmPlluYMY
The polisher in the 2nd video seems the much better one. Sadly I can't find one of this in germany.
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A little bit OT:
"Theta" - A printer with up to four heads. And they can print simulaniously. ô.O
Polarkoordinates seems to be a better concept for multi extruder.
http://3dprint.com/13310/theta-3d-printer/
One bad thing is, that the resolution changes depending on the position on the build plate.
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I hope the big announcement is not a new UM3.
The promised dual head was one reason to choose the UM2 for me, too.
If there is no working prototype yet, than it will take a very long time until we have the dual head in our hands. (testing, more testing with beta users, production, shipping),
I have the bad feeling, that the dual head for UM2 will never come. That would be a huge disappointment for me. :(
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Maybe a 3d-scanner inside the printer could be used (somwhere in the future) to monitor the printing.
It could detect failed prints where you get rat-nests, shifting, clogged nozzle and similar problems to stop the print.
With really high resolution you could detect underextrusion, too?
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Video about testing the recycling of filament (by Adafruit):
The 3D printing Hangouts by Adafruit are nice. In the latest one 8/21/2014 they are talking about the recycling project, too:
https://www.youtube.com/user/adafruit/videos
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Do you mean "expanding foam"?
I think his foam tires have done that. For 133Mph they have to spin very fast, and in case of a defect that is a lot of energy, like a little explosion.
Heated finishing tool.......scam !
in Improve your 3D prints
Posted
I have nearly the same thoughts.
I have no idea what patent it could be, that they want to file? (last point on the left)
Is there any invention, that is not "prior art"?
(PS: I hate patents)