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I basically understand the concept. However 3.6 is generating a tool path that is 90ish percent what I would like to see. I can work with that but what I don't want to accept is that my settings aren't saving when I save a .3mf file. If I'm going to use Cura I need to have focused help to address issues in a priority of greatest to least important. I have a test print that looks pretty good. However all the settings were lost because Cura didn't save them even though I saved as a .3mf. I don't know where the hidden box is that I need to check to allow what should be a innate function but I think that is priority #1 related to my Cura experience right now. I can learn more about the theoretical/highly technical calculations or abstract concepts of the algorithm at a later time especially if there is no know way to influence these offered presently. Thank You and if reading this can directly advise me on this settings saving issue please forward this to those that can or direct me to where I can find that answer please.

A real concern I have with v.4.8 is that it doesn't have a tool path review function as does 3.6. I would really enjoy using 4.8 or higher as in layer view on 3.6 the rendering is extremely laggy increasingly with the number of layers displayed. If I'm looking at layers 1-10 or so rendering is pretty fast but above that it starts to process very slowly. At around 2-400 layers I basically see a pinwheel continuously any time I move the mouse cursor or anything. It makes it very frustrating to use. 4.8 has no such lag but it also has no layer view tool path review function as I mentioned which is a very important feature for determining how to effectively manage travel moves and particularly with part placement and especially when printing multiple parts and they're orientation for managing stringing and oozing between those parts. These are concerns regardless of if I can determine what settings to change values on in 4.8 that could enable a desired tool path generation. Also I'm still unable to determine now and if it's even possible to get print setup settings saved along with a .mf file. This is extremely frustrating as it basically means I have to take screenshots of my settings for a particular model or configuration for a particular model or write them on paper and re enter those any time I may want to go back to refine a particular model after printing anything that needs different settings. That or I have to slice gcode that is perfected and forevermore rely on only that gcode file for a particular part.

Ok I think what you're saying is perhaps the default computation of versions after 3.6 have a higher (fidelity) essentially and therefore I need to determine how to basically de rate the processing level of the polygons or as you said loop definition at least for handling my particular STLs in a post 3.6 release. Is that correct? I heard someone refer to what you're saying about model interpretation as loops as squares but I presume they were describing the same concept. I know of Arc Commands plug in/computation. Perhaps that could work similarly to other settings changes?

I'm currently working with Cura v.3.6 where Coasting is an Experimental function. I kinda had an epiphany on the value or potential highly valuable nature of this algorithm. My question(s) are is Coasting still designated as an Experimental function in later versions and in later versions has a functionality for a logarithmic speed after coasting setting been implemented? Please consider this a request to add such functionality (if such doesn't yet exist) and retroactively to v.3.6 and above wherever possible.

Huh you seem like a cool dude Mr. Valiant. I was just thinking about a 3d printed control line airplane about a week ago. Thought ah that'd be cool I'm not the first person to think of it but if nobody else has done it I will. Did a Google search and found that a number of people have though it isn't nearly as prevalent as 3d printed R.C. free flying models. I understand that control line is a smaller group in the hobby. I had the first production/commercial electric control line model back in the late 90s a COX Bear Cat. It was pretty neat but low performance by other standards (nitro powered or modern electric) it was plastic and kinda heavy with a brushed motor and the flying control wires were also the motors power wires. I was unaware until maybe a year ago that it was possible to do loops and inverted flight or anything other than go in one direction with nothing more than a little climb to level off or a little dive. Once I saw the type of flying that can be done with performance control line I wanted to give it another go. Also found (after having been gone for 10+ years) that my local R.C. Flying Club had built two control line circuits, Pads, I don't know what they're called. Control line Circles? Decided after seeing that I would probably give it a shot. As far as the other info you mentioned. I understand that there are things possibly not correctly represented in that in my slicer I have printer defined as an Ender 3 but it's basically not an Ender 3 being with SKR board. I liked how you said "This allows me to claim that I have some understanding of it." In reference to when you started working in the field. Funny many people try to convey that time spent in a particular field or with a particular thing automatically proves proficiency with such. You're basically saying hey I've did this for quite a while and (maybe) that means I know a little about it. (The other person) "Bla, Bla, Bla, I've been doing this for x amount of time Bla, Bla Bla") I've made a little progress with test prints but dang. Like I was saying so many variables that even small changes to one can effect at least one or many others that then need to be changed in compensation. Sheesh! What I've found so far is that to reduce the effects of nozzle oozing Travel Acceleration and Speed being as fast as possible helps. I would like to use the optimal combination of settings like Retraction Distance, Retraction Speed, Prime amount, prime speed, linear Advance, and coasting but even such optimal combination may not mitigate the oozing of the particular material ya know? If you have a lot of experience and understanding of Cura settings and testing with various designs and printers and wouldn't mind having a look at my struggle I could use the help. I don't want you to invest very much effort/time as I have already defined elements of the models design that I'm working on as being a contributing culprit to the need for such intensive slicing scrutinization. Don't want you necessarily be a victim of that. I'll post a link here to the page where and when I upload photos of my test prints and slicer settings.

I understand the concept of "The Hundredth Monkey" I mentioned that I don't mind someone saying that a thing isn't feasible but them saying that or not pursuing such on they're own isn't me. To say a "lot" of work is needed to bring an idea into physical form is subjective. What exactly is a "lot of work" and saying the idea is only a small part of the outcome is also relative. The physical form of a man made item is essentially impossible without the concept of that item. The idea and work necessary for making that idea physical are equally important, such are interdependent. With that "said" thank you for the recommendation for discussion in a public forum. I mean I suppose that could make sense. Maybe strangely however I am a member of a sub reddit for 3d printing and for (I don't know what reason) have no indication that it is possible for me to post there.

I believe I have numerous viable concepts for Slicer functionality and one I think really cool idea for a new type of hotend that I would like feedback on and or to see development of. I'm of a mind that I'm totally willing to share my ideas as long as I can personally use/benefit from them at least. I'm limited in my ability to fund efforts in bringing such to market and would essentially rely on fairness/informal intellectual property acknowledgement to see benefit from my ideas. As I mentioned I'm cool with sharing and with feedback to the effects "that's not possible" or "it's possible but not worth the effort" but I don't want to see an idea I offer get taken and ran away with to a company like Stratasys or MarkForged (not saying they're bad just unaffordable for me) or other company and not get paid or compensated decently and be looking on at a piece of hardware or software that I couldn't afford to purchase and be saying "that was my idea". My question is what is a good way to/place discuss such (what I think could be "game changer" ideas) Should I say speak directly with Cura and Devs or Prusa and Devs with software ideas? Should I be contacting a company like E3D or Micro Swiss with hotend concept? The hotend concept I could prototype myself but would require at least some additional slicer software/firmware integration. Thanks in advance for any good suggestions Ultimaker Community.

I'm not familiar yet with gcode commands naming yet. I'll look at a chart that'll have them described that way I can more easily follow advice that other more technical users are telling me. I'm on a series of tests that I'm trying to use for settings refinement specifically for the purpose of reducing stringing/oozing with PLA Foam Filament. I can see likely answers based on what you were saying about Cura estimated print time vs. actual or as recorded by the printer. On the last test I ran Article Test13 I saw 9min Cura v.3.6 and 15m 24s Ender 3 SKR Mini E3 V3. What that tells me is firmware is limiting Cura Print Setup. As there is a significant discrepancy there. I'll post a photo of actual printed test as well as the STL and printer settings in a bit. Not asking for anyone to severely scrutinize (spend a bunch of time analyzing) what I'm doing but if anything particular stands out that could be changed or added and you'd like to let me know that would be great. Sure would be nice if A.I. with machine vision would be made available for crunching slicer settings. So many variables yet still not enough settings/functions.

When I wrote discontinuous I wasn't referencing the bug you mentioned. I haven't seen that one before. No I was saying the tool path. The part I'm working on is an airfoil shaped wing part it was designed to print in a vase mode like tool path where along the path the wall comes close enough to itself where ideally the wall fuses to itself forming a spar or in effect an infill that is retraction-less. The filament is LW PLA that is very prone to stringing. That basically necessitates a tool path with no to as few retractions as possible. In Cura 4.8 and other slicers was that when the tool path would "cross over" at the places where the wall was in close proximity to itself. Meaning instead of continuing along the path of the upper wing surface the path would when it came close to the bottom of the wing surface change path to follow the bottom of the wing surface. I can post a screenshot/screen picture later perhaps that way you could get a better idea. I tried the spiralize outer contour and I didn't see that as changing the slicer algorithm to counter that. On the same project but another note I'm currently working on retraction settings. My question is in the advanced settings functions on my printers firmware I can change things like acceleration values. Do these values effectively manage or limit those that are set in Cura? Meaning if my excelleration on the printer firmware is set to say 1000mm/s but in Cura I ask 2000mm/s the operation will be limited to 1000? Is that correct?

After I posted I watched a YouTube tutorial and found that what I had assumed was correct and understanding what you're saying there in spirit. For example I would like to disable print recovery feature/power outage recovery. Doing that wouldn't necessarily free space on the board ram memory but should prolong the life of my SD card. (If I understand correctly) also would like to enable (if they aren't already) the same features you mentioned that you have. Pause at height and Arc Can Command. I have a decent enough confirmation of my understanding of this to move forward.

I have an Ender 3 with an aftermarket board a SKR running the software that came installed on it Marlin bugfix 2.0. Works sufficiently well from my experience however I don't know if there are newer versions that can perform better. If there are I'd like to reflash and or recompile my own. I've never done that before. I think that compiling is (compiling commands/editing of software for customization through execution of compiled code)? Example when printing my screen tells me the bed is cooling when it isn't. That would be an example of a (bug) that was not in fact fixed or what would that be considered? By editing the printers firmware and recompiling I could get the printer to quit saying the bed is cooling erroneously? If I can do that I could also compile into the firmware commands to not start hotend cooling fan until heating, the bed and hotend to simultaneously ramp heating or command the bed/hotend heating to ramp up faster? Add in custom start and end sequence for the printing execution? If anyone could walk me through understanding this so I could do it for my printer that would be great. I will be researching simultaneously to waiting on response as well.

I've successfully downloaded and installed from the GitHub repository before but haven't known which files I would need. Typically there are two appimage one larger and .asc, Darwin.dmg, win64 (obviously to me not needed as an apple user), and two source code files one (zip) and one (tar.gz). I'm not very knowledgeable of code and understanding how software executes. I'm probably at least a little wrong but is appimage for executing from source code, Darwin is a installation "wizard" and source code allows perhaps running on Linux and/or for developers/superusers to work on/customize the the software? If I'm not doing anything other than trying to use the software as is and have the installation automated do I need to download the Darwin file only or an appimage file too? and if yes which version.

Yeah it seems like there's something else going on though. At times settings have been saved/will import with the file and other times not. I have seen various save types offered before but then other times I wasn't seeing any way to choose. It seems like my software installation is corrupted/buggy in some way that is causing intermittent saving issues. I'm going to uninstall and reinstall with no add ons and see what happens.

Ok the spiralize outer contour is perhaps a factor I overlooked. I'm going to confirm and compare and get back on that. If that's the issue that'd be nice because layer view is very slow to render on 3.6. 4.0 up layer view doesn't slow anything as much. Now a matter of figuring out saving print settings with models/sliced file. I'm going to reinstall 3.6 and see if the add on for linear Advance corrupted it as well as also look at 4.8/version 4.0 or above. If spiralize outer contour disabled is in fact the reason why I didn't have positive results before thus being able to use those versions is there a good any reason why I may want to use say 4.5 instead of 4.8 or should I use 4.8 because it's the most complete feature rich version available that my computer can run? Thanks very much if Spiralize is the issue I'm going to feel pretty dumb but thankful. I'm using a Mac it's an older 2012 MacBook Pro. I don't think any version later than 4.8 will work I could try updating one thing or another but the primary reason I'm using 3.6 is the tool path generated by that version in particular. I've tried 4.0-4.7 and the tool path deviates from that desired. Basically the model is designed as a solid with a surface that is theoretically a effective vase mode or should print in a vase mode style tool path. 3.6 will generate a continuous path but subsequent versions interpret model differently I'm guessing for some reason and generate a tool path that is discontinuous in each layer. I wonder if my installation wasn't corrupted by a recent add on and has saving anomalies related to that. I have had add ons cause performance issues including crashing in the past. Perhaps a fresh install without add ons?

I'm using a Mac it's an older 2012 MacBook Pro. I don't think any version later than 4.8 will work I could try updating one thing or another but the primary reason I'm using 3.6 is the tool path generated by that version in particular. I've tried 4.0-4.7 and the tool path deviates from that desired. Basically the model is designed as a solid with a surface that is theoretically a effective vase mode or should print in a vase mode style tool path. 3.6 will generate a continuous path but subsequent versions interpret model differently I'm guessing for some reason and generate a tool path that is discontinuous in each layer. I wonder if my installation wasn't corrupted by a recent add on and has saving anomalies related to that. I have had add ons cause performance issues including crashing in the past. Perhaps a fresh install without add ons?

I'm working on refinement of settings for printing a R.C. Glider Model. Using Cura V. 3.6. When I save slice as a .mf file for future use and to have a file that saves settings and possibly want to adjust those settings the saved file contains only the STL information and not the settings that I had made for that file. I watched a video where the presenter said the reason why is from clicking the save to file button in the lower right side of the screen and what is the correct thing to do is file save from the computers task bar and choose curaproject.mf file save. Thing is that at least my software doesn't offer that type of file save. There doesn't seem to be any consistent way or standard that this Cura seems to operate by. Sometimes there are options for file save type (never with a project.mf format though) and sometimes no choice for any of the other types of file save options. I have had clicking on the file save button in the bottom right screen corner save slicer settings sometimes and other times they're not saved. I don't know if this has to do with a bug that came with installation of the add on Linear Advance. But it kinda seems like it. I have in the past had add ons cause problems with the software causing it to crash. I experimented with Linear Advance and while I would like to have those settings as an option my initial testing found they're usefulness unnecessary for my printer or model. I found extra prime amount worked as well or better. Should I uninstall my Cura and install fresh without any add ons or what?

Hello Mariska the fact that you moved my post is fine. Wherever it makes most sense as long as it'll be seen by people. I'm aware of tree supports. I don't have a need for tree supports in my current prints but maybe in the future will use those. I was considered using the used supports instead of throwing them away use them to make other stuff. Or a bunch of maybe miniature figurines that are the supports. Anyway I'm unable to use Cura above version 4.8 I think as the graphics card requirements and/or software requirements are beyond my computer. I'm using Cura 3.6 currently and specifically because it for some reason is the only version that produces tool path that are complementary to the work I'm doing which is Model airplanes that are designed for single wall, minimum retractions and PLA Foam. An issue I'm having is when I save to file a model that's been sliced no Print Setup/Profile/settings are being saved. It seems that they have been sometimes and not others. I've seen a tutorial on this and was told to use an option project.mf file save type. However this isn't an option in my slicer. I'll post this on the main forum area because I recognize that this may be something you aren't knowledgeable about but thanks. As for my favorite recent print/project would probably be a Guitar Pick I made for a friend I went to Highschool with and hadn't seen in maybe 10 years when we reconnected about a week ago.

New here to this "forum" and think it's set up kinda weird. Couldn't use my name or anything close to it. Was told You are not allowed to use that something something or another. Don't like that I'm required to add a tag to the post. What if what I'm posting isn't specifically a request, about a bug or a to report a solution to a problem? That aside I suppose there is a request(s) to be made but I'll ask those later. My name is Brian I started 3d printing around 2011 when I was a member in a MakerSpace. I think the printer there was a MakerBot and we had the Replicator as well though it's fidelity left a lot to be desired. That was a time when the choice of filament was basically PLA or PLA and owning my own printer was out of the question. I became very passionate about the machine and enjoyed and was quickly proficient at tuning the printer. I was basically the best in the place at leveling the bed (kinda a thing to be proud of) in a time before automatic bed leveling. Fast forward to a 2021 and I purchased my own Ender 3. Have since upgraded the (important things) including an aftermarket board (BTT MiniE3), a titanium or stainless heat break, in a few days single gear all metal extruder parts to be modded for PTFE tube both sides. That's my current set up that has been working pretty well only a couple little parts of incorrect code running on the marlin that was pre installed that I haven't fixed yet but that don't impact function severely. Have used most of the common slicers and while in my opinion all have prioritized things that I think shouldn't have been and seem to all have a little too much redundancy I have mostly used Cura. Where I'm at right now is I'm at least somewhat proficient in my understanding of advanced functions there are strangely little things that I should but don't understand or what I'm seeing are bugs and I don't realize it. That's pretty much what's brought me here. To be able to ask questions and share experiences and ideas. I'm very good with hardware, decent with understanding prepared slicer software, but have a very limited understanding of the coding that instructs the printer and software. That is what I need assistance with the most. I'll find where the most appropriate place to post various questions and do that soon if I can't find information already commonly available that'll help. Thank You in advance Brian H.