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Joined 2 years ago
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Cake day: June 15th, 2023

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  • Yeah, it’s absolutely not at the level of beginner and user-friendliness that you’d expect out of a professional CAD package yet, so it’s understandable you had a rough experience. I think we’re all hoping that FreeCAD will eventually see a similar level of improvement that Blender and KiCAD got in this area. Both of them were originally much worse in terms of usability, but after enough effort (and investment from major players like CERN in the case of KiCAD and community members), they ended up being really competitive packages.



  • I wouldn’t necessarily say it’s dogshit as I’ve been enjoying the beta releases. What I will say though is that the workflow feels different enough compared to every other commercial CAD program I’ve tried (solidworks, fusion, inventor) that it required me to effectively re-learn the software rather than jump right in. Pretty much every other CAD program didn’t have this problem, in part because they’re more forgiving when you violate best practices.

    FreeCAD is much more rigid in comparison. If you follow its best practices, it works wonderfully, but when I came from another CAD program my previous experience kept making me run into issues.




  • No they are not “a tool like any other”. I do not understand how you could see going from drawing on a piece of paper to drawing much the same way on a screen as equivalent as to an auto complete function operated by typing words on one or two prompt boxes and adjusting a bunch of knobs.

    I don’t do this personally but I know of wildlife photographers who use AI to basically help visualize what type of photo they’re trying to take (so effectively using it to help with planning) and then go out and try and capture that photo. It’s very much a tool in that case.


  • Unfortunately proprietary professional software suites are still usually better than their FOSS counterparts. For instance Altium Designer vs KiCAD for ECAD, and Solidworks vs FreeCAD. That’s not to say the open source tools are bad. I use them myself all the time. But the proprietary tools usually are more robust (for instance, it is fairly easy to break models in FreeCAD if you aren’t careful) and have better workflows for creating really complex designs.

    I’ll also add that Lightroom is still better than Darktable and RawTherapee for me. Both of the open source options are still good, but Lightroom has better denoising in my experience. It also is better at supporting new cameras and lenses compared to the open source options.

    With time I’m sure the open source solutions will improve and catch up to the proprietary ones. KiCAD and FreeCAD are already good enough for my needs, but that may not have been true if I were working on very complex projects.


  • Cute cat! Nevermore and Bentobox are two super popular ones.

    Since you’re running an E3 V2, first make sure you’ve replaced the hotend with an all-metal design. The stock hotend has the PTFE tube routed all the way into the hotend, which is fine for low temp materials like PLA, but can result in off-gassing at higher temperatures such as those used by ASA and some variants of PETG. The PTFE particles are almost certainly not good to breathe in during the long term, and can even be deadly to certain animals such as birds at small quantities.



  • Yeah, I agree. In the photo I didn’t see an enclosure so I said PETG is fine for this application. With an enclosure you’d really want to use ABS/ASA, though PETG could work in a pinch.

    I also agree that an enclosure (combined with a filter) is a good idea. I think people tend to undersell the potential dangers from 3D printing, especially for people with animals in the home.




  • KingRandomGuy@lemmy.worldto3DPrinting@lemmy.worldEnder 3 V2 damage?
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    5 months ago

    PETG will almost certainly be fine. Just use lots of walls (6 walls, maybe 30% infill). PETG’s heat resistance is more than good enough for a non-enclosed printer. Prusa has used PETG for their printer parts for a very long time without issues.

    Heat isn’t the issue to worry about IMO. The bigger issue is creep/cold flowing, which is permanent deformation that results even from relatively light, sustained loads. PLA has very poor creep resistance unless annealed, but PETG is a quite a bit better. ABS/ASA would be even better but they’re much more of a headache to print.


  • It really depends on what you’re looking for. Are you just looking to learn how to print new materials, or do you have specific requirements for a project?

    If it’s the former, I’d say the easiest thing to try is PETG. It prints pretty reasonably on most printers though has stringing issues. It has different mechanical properties that make it suitable for other applications (for example, better temperature resistance and impact strength). It’ll be much less frustrating than trying to dial in ABS for the first time.

    ABS and TPU are both a pretty large step up in difficulty, but are quite good for functional parts. If you insist on learning one of these, pick whichever one fits with your projects better. For ABS you’ll want an enclosure and a well ventilated room (IMO I wouldn’t be in the same room as the printer) as it emits harmful chemicals during printing.


  • I’m glad to hear yours have been holding up! Maybe my friends and I were just particularly unlucky.

    The service manuals are available direct from Dell. For all the laptop’s faults in my experience, I do appreciate that the SSDs are socketed, as are the RAM sticks on the 15. I do also appreciate that Dell sells replacement batteries (and they aren’t glued in either!) as that’s usually the first part to need a swap.


  • I haven’t used the XPS 13 personally but my experience and all my friends’ experience with the XPS lineup is that despite their build quality, they’re quite prone to failure. On my 15, the keyboard failed multiple times, as well as one of the fans and eventually one thunderbolt port, all within a span of 4 years.

    They’re beautiful machines that really should be quality, but in practice for some reason they haven’t lasted for me. On the plus side though, Dell does at least offer service manuals, and lots of parts can be replaced by a user (on the 15 you can easily replace fans, RAM, SSDs, and with some work you can replace the top deck, display, and SD reader).