Wisar
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Posts posted by Wisar
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Cheers Will,
Sounds good you're willing to ship internationally - I think something's up with your auction settings though. I'm reading:
Postage to: United Kingdom, Bangladesh, Bermuda, Bolivia, Barbados, Brunei Darussalam, Cayman Islands, Ecuador, Egypt, Guernsey, Gibraltar, Guadeloupe, French Guiana, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Sri Lanka, Macau, Monaco, Maldives, Martinique, Nicaragua, Oman, Pakistan, Peru, Paraguay, Reunion
...which kind of seems like a rather random selection of odd locations around the globe?
I ended up pulling the listing and resubmitting it to run next week for the UK only. I did not have anything to do with the list of countries...which is indeed an interesting list! I tried getting help from eBay but all they could tell me is that this was the way the system worked...that my item could only be sold to those countries and that I needed to check with customs of the country to which I was trying to sell. To which I replied...really? I can not see a 3D Printer from the UK to countries in the EU? Seriously? Or to the US? So I escalated to a supervisor and got basically the same answer. So I asked for an escalation to the Global Shipping program folks. They have a minimum turn around of two days and I still have not heard from them. So, sorry, but I canceled the listing!
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Right now the sales items are setup to use the eBay international shipping option so the answer is yes. If the shipment costs seem too high then let me know and I will see if I can improve on them and I will ship direct.Are you willing to ship to the USA?
Will
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There is not room in the man cave for three printers so I have listed one of my Ultimaker 2+ printers for sale on eBay in the UK. I also have two Olsson Blocks for sale and the enclosure that I used with the above Ultimaker 2+.
Enclosure for Ultimaker 2 or 2+
Olsson Block - Plus Heater and Thermistor
Olsson Block - Entire Assembly
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Cura 2.4 will have the concept of a "project" which contains not only the models and all current settings, but also the profile(s) in use, custom machines and materials.
> the changes from what I remember to now are enormous
Cura "the gui" has been totally rewritten from scratch since you last saw it. It is an entirely new application. The CuraEngine (the part that does the actual slicing) has undergone a more evolutionary change, but is still quite a long way from Cura 15.4 and before.
A project concept would be awesome...as long as you can reload the models to current state! As I said in the closing...I really like the new Cura. Will have to be hurting S3D revenues.
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The USB handling is being worked on by the guys from Aleph Objects (LulzBot). I don't think it will be in the next release, but i expect it to be in the 2.5 release (which would mean that it's in a stable release in about 3 months).
2.4 will have some rudimentary control for removing supports. For those of you that have already worked with Infill meshes, it will work almost the same as those.
Deleting the USB plugin keeps me out of trouble...right up to the point were I reinstall Cura or decide I want to do something across the USB cable :-o.
Being able to remove supports would indeed help. Has to be a bit of a challenge to have built in all the control that S3D gives. It is the best part of their app given that factories, for me anyway, are brain dead without a reload function.
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What do you consider the big improvements in Cura?
I just posted some more thoughts on Cura 2.3.1 under the software topic.
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I am the happy owner of a new Ultimaker 3 that is now sitting beside my Ultimaker 2+. I think that I may have been the first person in the UK to get a UM3 and because I was so early I needed to use Cura instead of Simplify 3D which I have been using for a couple of years.
I have been happy enough with Cura, and frustrated enough with a couple of S3D idiosyncrasies, that I have shelved S3D and been using Cura exclusively for the past month. Here are some observations relative to that experience.
Two Things that I miss about Simplify3D
The first thing that I really miss is the ability to manually set where support is to be created. This can be a truly useful feature.
The second thing is the ability to create a "factory" that remembers the models and print settings that went into doing a particular job. Ironically one of the things that I hate about Simplify3D is the lack of a refresh or reload function for the models that comprise a factory (or models that are on the build platform regardless of being in or out of a factory)! It would be nice if Cura remembered everything about a job, from what files, to what settings, but I would be happy if it just remembered the list of files. I do a lot of iterating when doing a design and since I design kits of multiple parts Cura can be cumbersome. More on the multiple parts issue below.
Things that I Really Like about Cura 2.3.1
I have not used Cura for a couple of years so the changes from what I remember to now are enormous and I am not at all sure what features are new versus been around for a while. One of the things that I like has been alluded to above already and that is the update model facility. The other, and bigger, feature is the quality of the profiles that come with Cura now. For the range of nozzle sizes and material types these profiles can not be beaten for getting a leg up on quality. Finally, I like the cost of Cura!
Things that I would Change about Cura 2.3.1
As I mentioned above, I would like to see a "factory" like concept added. Initially this could just be to remember the models loaded but remembering the rest of the settings for a job would be great, as would the ability to manually control support placement. As the latter is probably a lot more of a challenge I would recommend that the first be attacked soon!
My other major gripe about Cura relates to the USB driver. Why does it do a destructive poll of printers when it starts??? I have deleted the USB driver from the Cura directory structure to prevent this behavior but I do not think that I should have to do so!
The last thing that would make my life easier is to have a little bit larger of a bounding box around the models that are on the build platform. This might be peculiar to the way that I work but it can be hard to grab small parts to move them around!
Possible Bug in Cura 2.3.1
There seems to be a circumstance where the slicer looses the ability to reset model positions on the build platform. I have not been able to isolate when this happens but when it does the only solution is to quit and restart. There are some other things about using profiles that I think may be issues but I have not been able to isolate an issue to be able to describe said issue!
Conclusion
I really like the new Cura! I have not printed anything using S3D on either of my two printers since I took delivery of the UM3.
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Look for the file fdmprinter.def.json
[CORRECTION] I thought that the appropriate line could be found by looking for the following:
"resolve": "'raft' if 'raft' in extruderValues('adhesion_type')
But when I updated this line to the following it made no difference:
"resolve": "'raft' if 'raft' in extruderValues('adhesion_type') else ('skirt' if ‘skirt’ in extruderValues('adhesion_type') else ‘brim’)”,
Thanks to @tomnagel for the file name pointer but has anyone made this stick?!
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I am not sure what you mean by plotting? Here is how I use my selection of nozzles:
.25mm - Smallish models where I often have details smaller than the extrusion width of the standard .4mm nozzle. I do models in 1:100 and 1:160 scale and the nozzle makes a big difference
.6mm - Larger pieces, or things without a lot of detail, will have this nozzle on the printer. Pieces where there are a lot of vertical walls or where I do not care about layering look. I also use it for draft prints to check general fit
.8mm - Usually just for draft prints where speed is everything.
Here are a couple of articles on the topic:
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What I recommend: use the default profiles. A lot of testing has gone into these, and they shoulp perform well in most cases.
I am very impressed with the default profiles. They really do seem to be well done. With the exception of brim of course!
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Thank you for your feedback. I'm sorry to hear the RFID chip is not yet doing it for you. Is it actually an inconvenience for you, or just a feature you don't use very often?
I don't think it is unlikely other manufacturers will adopt the idea, but that will probably take some time.
What do you consider the big improvements in Cura?
I just wrote a reasonably long and at least somewhat coherent response to the above questions and then lost it when I tried to post with a dark and foreboding error message!
In any case, here are the shorter answers. RFID just doesn't buy me any advantage though it might for someone with a more production orientation, more than one printer, and a standard for use of Ultimaker Filament. Adoption by other suppliers would help with the latter but my RFID reader is in the drawer for now. I also like side feeding so there is a logistical reason as well.
On Cura...I bought S3D a couple of years ago and had not looked at Cura again until i got the UM3. I am now using Cura and S3D is in the drawer. I like access to all the setting, the profile manager, the ability to reload models on the build platform, and most of all the quality of the profiles that ship with Cura for the Ultimakers. I am still hoping that evolution of the UM2 firmware will allow temperature setting like for the UM3 without needing to use the plugin to override the machine setting. The only feature that I would go back to S3D for is the ability to manually place support. The feature that could be killer with S3D is their factory concept if it were not brain dead when it comes to the ability to reload models. I iterate designs a couple of times and having to reload everything is a real pain.
My pet peeve with Cura at the moment is the default setting of brim for platform adhesion. I assume the protected profiles are out there somewhere and could be modified? I guess I could clone each of the protect profiles turning that feature off ... then I would just have to remember to use the clone :-o
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Some more impressions on the UM3. First, a negative. Not sure at all about the RFID stuff. It seems like it should be an add-on that folks that would need it could buy as opposed to a standard fitting. I know the logistics of this are impractical but it seems like something that would only apply to a large production environment...that only uses Ultimaker filament ... unless or until other suppliers adopt the idea? Second, a positive but about the new Cura. Really big improvements there. Still some rough edges but I have shelved my copy of S3D for now in favour of Cura. Finally, as time allows I have been doing some test prints with different materials on the UM3 and then also on one of my older UM2+ (UM2 with the upgrade).[print=7397][/print] This is a picture of a 20 quid per Kg PLA printed on the UM3. It is pretty close to perfect. I also have done Ultimaker PLA, CPE, and Colorfabb NGEN all with good results though not as perfect as either of the PLAs in the latter cases. All with the default profiles from Cura. I am not looking for the UM3 to be better than the UM2+ but it is brand new and the UM2+ can probably use a tuneup. The above picture is from the Image Gallery here but the bulk of the pictures are on my blog here.
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i don't think so.. the glue stick should be sufficient.
I have never liked glue sticks. My sticking agent of choice has been hair spray (Loreal Elnett Satin as they are not all created equally) or more recently 3DLAC which is basically the same thing but you know it will work. I have an extra glass that I keep ready as spraying inside the printer leads to a bit of a buildup (though it does cleanup well). It also works for most materials though not always with ABS where the only thing that works 100% for me is Klapton tape. But sticking is a whole 'nuther topic!
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Right-click on the Cura icon in the finder and choose "show package contents".
Under Resources | Plugins | Plugins there is a USBPrinting folder. I assume it is that.
What printer do you have?
Well then...thanks for the pointer. Don't I feel stupid! Have no excuse for not finding it there myself.
Just moved the USB plugin out of that directory and no more issue. Can easily move it back when I am done tinkering (unlikely) or need to update firmware (even more unlikely as I run a slightly modified version of Tinker and load it from the Arduino IDE)!
I have a UM2 and a UM3. The UM2 hosts a laser from JTechPhotonics and very soon the plan is for it to also become a CNC Drill Press for putting holes in the circuit boards the laser etches. It also does 3D Printing of course!
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The printer in question doubles as a laser embosser / cutter and needs to be online for significant periods of time...I am actually more willing to disable the USB functionality on the Cura side but have not found the location of the plugins on OSX. Nor do I know if I can simply whack that particular plugin!
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Can Cura be asked to NOT poll printers on the USB bus when it is started? It looks like this could be done by deleting the USB Plugin but then I would not be able to upgrade the firmware on the printer.
It is very irritating to have a print that is running from an SD card interrupted just because I have the audacity to launch Cura!
Thanks,
Will
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Love, love, love Tinker! Highly recommend it and can't believe that I had not installed it until recently. Preheat and move on the front panel are worth the time to upgrade on their own.
My only complaint, and this is really a question not a complaint, is that while I can find the firmware for Tinker, and have downloaded it, I have not been able to find the configuration files that are specific to a UM2+. I have hacked a printer to host a laser and want to stop the fan boost and have had to roll back to the stock firmware to do so! :-(
WIsar
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Under Extensions: Post Processing: Modify G-Code -> Add The Script
I was looking for this as well and may NEVER have found it. Thanks for sharing.
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I Got A 43 hour and 31 hour long dual core prints done.
Flawless.
Word of advise, leave the brim on when printing pla/pva, it helps to stabilize edges quite a lot. I use 4mm brim.
I haven't used Brim.. I just make sure the horizontal expansion for support is at least 3MM.. that should fix all possible issues..
That is a good setting. Have done similar with S3D but had not seen that parameter in Cura...or not understood what it was. Thanks for that as I have abandoned S3D unless I absolutely need to place support manually.
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As long as you never set the fan to below 30%...
I am in the process of making this change to the firmware as I was not able to get the LCD PWM to work as easily as one would expect... It seems that PWM commands are executed by the firmware when ever it feels like it as opposed to in the order encountered. I guess this is part of the look ahead speed up logic but it adds some complexity. I tried using M400 to correct but things still did not seem to work as I expected so I gave up as I knew the fan PWM works but for the pulse. Anyway, thanks for the above pointer.
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I assume you use pva for brim? I do.
The brim is actually printed out of PLA every time (aka core 1 material).
That's the default setting on my cura.
I have never found the brim to be useful for anything other than ABS on a single material print. Is it when using PVA for support that you are finding it helpful? I have noticed that PVA adhesion can be subject to some challenges and I will use it there given that the nuisance of removing it is not a factor!
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Thank you for your words, I am very happy to read you are so content with your Ultimaker 3! Keep us updated about your experience, and the various things you have tried!
Perhaps interesting for other viewers, regarding ABS and PET. Did you use custom settings or did you tweak them? How did they relate to the settings you used on your Ultimaker 2+?
Were any changes based on your own experiences or instructions that came with that filament?
I will probably do some more rigorous tuning as time allows ... what impressed me so much was how the prints looked WITHOUT doing a lot of work. On the PET...I used the profile for CPE and lowered the temperature to 232 degrees based on an article in here somewhere :-) . The ABS test was done with the ABS profile but the heat reduced by 10 degrees from the profile. Thats all. The ABS was the one that really impressed me as I really tried to get that same level of result on my UM2+ and could not. It is the tiny details on the last layers of a small model that defeated me.
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Some more observations after a couple of weeks. Unfortunately I have not really done anything to test the dual extrusion aspect of the printer as it has been working full time on some other workload. I have done a couple of tests, including a small part for a customer order, and all results have been great. It does take time though. I have only done small parts, at 60-100 micron resolution though, and the time difference between a print with support in the same material, and one using PVA as a second material for support, is about 40-50% depending on the model. So an 8 hour print becomes a 12 hour print. Or a long time becomes a longer time. But the advantages of no cleanup, much, much less impact of support on print quality, and being able to print stuff that would be impossible with single material support ... gotta love it.
Everything that I have printed so far has come out great. I am currently printing a project using Colorfabb NGEN co-polymer and it is coming out nicely. I have also done some small experiments where I have printed ABS and PET. The ABS printed perfectly on a second attempt where I lowered the print temperature to preserve some fine detail. I have never gotten as good a result on my UM2s with ABS. The part that I printed in PET came out nicely as well. First try and I was able to give the part to a customer as they wanted something bright white and my PET is very white!
It is an expensive printer and will continue to get abuse for that fact. It is up to the buyer to decide if the quality is worth the price. It is too early to judge long term reliability but I am assuming that will also be a positive for decision making. Reliability in terms of being able to spit out high quality prints seems pretty darn good!
Finally, I hope they get the next version of the firmware out so I can adjust the LED...they are BRIGHT!
Wisar
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Exactly! I have two um2s that are two years old and they have bright displays!We still have a load of old (2+ year old) um2's which are still working just fine.
Feedback on Cura 2.3.1
in UltiMaker Cura
Posted
The reload is going to be tricky with the workspace saving. There are certain model formats (like 3mf) that can save multiple models and transformations. This makes reloading tricky, as Cura might have changed the orientation. Linking a model to a specific model inside a 3mf is also a bit tricky.
I must be missing something but then I only work with STL's. If I am working on one of my models, and the printer is idle, when I come back to the printer with some updated STL's I hit reload and presto ready to print again.
Wouldn't the same work for a project? Open the project and it restores the printers state and the list of files that were on the build platform. It then goes to the source of those files and reloads current state. Obviously the user has to inspect things as geometry may have changed but this would be really helpful the way that I work. Without a reload capability a project, or factory in S3D, seems like a bit of a waste of time as the only use that I can see for it is repetitive manufacturing (not the strength of a 3D Printer) or just documentation of settings (helpful but overkill).
I must be missing something!