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JohnInOttawa last won the day on November 11 2018

JohnInOttawa had the most liked content!

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  1. Welcome! Can you advise where this printer is located? Thanks John
  2. I've been holding off updating cura or the firmware on my UM3 for months, it just seems the newer releases have a lot of issues. Can anyone running a UM3 with current firmware and also Windows 10 64 bit with Cura 4.4 advise how it is going? Thanks John
  3. Thanks Morghan. I'm in Ottawa, probably not cost effective to try and ship it across the border. That said, it looks like a good system, I'm sure it will get a lot of bites. Cheers John
  4. I'm looking for one of these - where are you located? Cheers John
  5. Thanks! I'll give that a try. All the best John
  6. That's good to know, of course disappointing to miss out on something with such significant potential. While I've been a programmer most of my professional life, I have steered clear of messing with anything below end user interfaces on the ultimaker line. Maybe once this intent feature is proven, there could be discussion of implementing some of what it delivers via other means on older printers. Is that possible? -John
  7. Thanks for your reply! That does make sense and also offers an explanation as to why we have been seeing so many wrinkles in software over the past couple of years. A lot of members in the family and the permutations grow geometrically. In your opinion, would it be realistic to expect these features to be limited to a couple of models in the initial beta test, then expanded outward to include the rest of the production series? John
  8. Same concern regarding the omission of the UM3 from the intent profiles. The engineering tolerances would solve a major issue here - one of the reasons I am looking at options like the markforged as an addition is to try and deal with the existing tolerance variation. Can someone from the team explain why this is limited to the s3 and s5? My hope would be, if you still buy a new version of the printer (and with the UM3 this is the case), it should be supported.... Thanks for your thoughts. John
  9. nallath, thank you for your great response! It's always the same with making and innovation - there is the curve of what is possible and another curve of what is practical. The challenge is finding where the curves intersect. ( In my case, it's often not curves, but scatter plots, but perhaps that is another thread ;-)) The wear-out from retraction is something I hadn't considered. I can see the attempt to run multi-colours on one layer as a bad corner case. What I was thinking about was more along the lines of permitting a two - material print that also needed support. If running a BB core in position 2, the only real option to do this is permit material change on the fly. How to do that without grinding up filament might require a combination of user awareness and Cura smarts. The custom color option - I see a possible interface with a technology like Mosaic. I'm likely dreaming in technicolor here (pun intended), but having multi-spools in a controlled environment and ready between prints would sure be nice and elegant with a system like that in use. I guess the essential message is that this announcement is both a step in its own right, and a platform for future steps. While we are in the dreamscape, now that you have a captive material handler, how about a print core that can handle continuous kevlar, glass or carbon fibre like a certain stateside offering? 😉 What a world beater that would be. Thanks again for supporting this discussion. Greatly appreciated! Cheers John
  10. Didn't really have the control interface understood. Thanks! John
  11. I like the material station for what it allows, now, but perhaps more importantly, next steps. I'm not clear on a few things, so permit me to ask a few questions that might already have answers (but I can't find). 1) I can see that the material handler works with NFC coded spools. How does it work with generic materials? 2) I can see that the material handler will automatically find a new spool of the same material when the first spool is exhausted. How big a leap would it be to allow material switching (to another color or even material type) mid job, something akin to a CNC automatic tool changer? To me, this would be reason enough to buy the S5 pro bundle 3) next steps - leveraging the automated material handler and the print core technology, what prevents Ultimaker, in perhaps the next design cycle, from creating a filament color customizer, where several spools feed a integrator, either at the print core or upstream of it? Thanks in advance for your thoughts. John
  12. Thanks! That sounds like a good approach to me. I might print off the original in a wax in that case, maybe make a 'lost wax' mold and use the clear resin as you suggest. Much appreciated. John
  13. Good morning everyone. I have been asked to support an application (impeller) that will have a high rotation speed and clearly also pressure increase per function. This is an experiment so vane design will be a function of safe RPM. I have input to that value. My first inclination was to say that FDM would not be able to achieve either the strength or weight balance required for anything more than very slow rotation. Then I thought, why guess, when I can ask here?? Has anyone successfully created high speed rotating parts with their Ultimaker (3)? If so, could you share what worked, what didn't, and advice on materials, safe limits on part size, RPM, etc? Thanks in advance! John
  14. That is true, I should have been clearer and divided the discussion or renamed it 'heat treating'. That said, what are folks using to address heat treating needs and how do those options change across the range of filaments? John
  15. good morning! Thanks for your replies. To clarify, I'd like to be able to sinter anything that can be improved with this phase. I understand that certain PLAs respond well, all the way up to metal binders. My understanding has been that, once one gets into the really high end metal 'binders' like the BASF Ultrafuse, post processing is really beyond the grasp of the general public, but my hope is to find out what is and is not practical, in the opinion of the members here. Much appreciated. John
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