Bambu hasn't been the first to not turn on some features in the standard Marlin firmware. They won't be the last either. PID tuning isn't something you do a lot of anyway. Maybe once or twice if you change out extruder types or do a complete reset of firmware. They are probably calling some kind of macro to automatically do it for all the newbies out there. If you went and studied Bambu's firmware, you could find the section in the firmware to turn it on I suppose.
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PID tuning is available in Marlin printers. I've had PID tuning in my 6 year old Prusa Mk3s for 6 years now. Whether or not it's been turned on for that Ender 3 is another question. But it can be turned on with a bit of editing.
Bambu though, has seen fit to remove manual PID tuning for users. I'm not impressed by that. A step backwards IMO.
Don't think I've ever heard anyone say three point five" HDDS or read it in the decimal form-- Three and 5 tenths. It's always said as the fractional form-- 3 1/2".
I think they mark them as 3.5" because it's easier to typeset a decimal than fractions. Even those accursed 3 1/2" floppys seem to be marked 3.5" these days.
The classes I seen do have places to show terrain and even for new people to find mushrooms. But individuals, well we don't have places for such things. I just have places were I know I can find mushrooms on a good day. And that's it.
It would be impossible for your friend to create all the proper conditions for many mushrooms to grow in his backyard.
No it does not. Nor does the universe bother about galaxies. The point is that all things that exist have their time under the sun and then pass so something new and different can take it's place.
It's huberous of the highest order to think everything will continue on as it is right now, And to try and preserve it all for your personal comfort.
I have seen the 8" floppys but never used one. I did use and have a fair collection of 5 1/4" for a good number of years. And I cursed the 3 1/2" floppies for their short, yet brutal lifespan. I can remember installing Windows 3.11 and AutoCAD 9 with a stacks of those accursed things. And daily backups for the bookkeeper were constant headache until we got a tape drive.
I would hand over my credit card before I give out my best hunting grounds. ;)
There are plenty of gasketed surfaces out there that paper gaskets are unsuitable for these days. And I've cut my share of paper ones over the years.
I would still recommend going out with an experienced forager until you are comfortable. They can at least offer up good extra information as you hunt them.
Mushroom hunting is fun and tasty, but it does require care, knowledge, and experience. So be safe out there!
Mushroom foraging gets so much unreasonable fear that it will kill you instantly the first time you do it. And only people with arcane woodcraft skills and a death wish do it. Yes, there mushrooms that can kill you if you eat them. But a lot of the bad ones will just make you wish they had killed you. But you will survive the experience.
And like many human endeavors, such as skydiving, driving a vehicle, swimming, or crossing a busy street, will quickly get you killed if you do it wrong. It takes education and practice with someone that knows how to do it correctly to learn to do it yourself. Mushroom hunting falls into that same category.
If you wish to do it, take some classes. They can be often found in big cities. Go out with proper experienced guides and perhaps learn a new skill. The hardest part is admitting when you ain't sure if you are right and then walking away. Or not. It's up to you.
Chicken of the Woods is another easy, (and VERY tasty), to identify mushroom for beginners once they know what to look for. There are many different types of look a likes, but they are extremely fibrous and chewing and piece of wood would be tastier.
Not in my yard. While I have hunting dogs, they aren't allowed to run free in the yard without supervision during training exercises. But I do have plenty of deer shit-- I live in the middle of a fairly remote forest.
Most of the shaggy manes grow on a clay hillside that gets lots of leaves in the fall. And they grow nowhere else on my 5 acres of lake shore. The wild raspberries grow everywhere like weeds though. And I don't get bumper crops every year. Sometimes there are none, (wet years), sometimes a small handful, (most years), and sometimes they cover that hillside, (dryer years).
The slicer assumes those settings built in. And will take care of those finer details well enough for those "older non-technical" people. Each slicer assumes density and flow rates for each filament type that will work good enough for the vast majority of people. Just make sure your new people understand the importance of selecting the correct filament type and to choose a temperature for the nozzle and heatbed somewhere in middle of that sticker on the spool. At that point, 95%+ of all problems will be solved for them.
As I said, each printer is a rule unto itself. So your desire for settings for every brand and type of filament won't make anymore difference than is already built into a slicer. And settings like flow and density can and do change from batch to batch and even spool to spool. And it can quickly become a game of whack-a-mole, (I got a tee shirt somewhere around here). And if you are printing expensive engineering filaments, I would really recommend you go to the manufacturer's website and look up their recommendations for those materials. This is why I buy MatterHacker when I need those types of filaments. They have data sheets for each filament they produce. While I'm not much concerned about common PLA and PETG, I don't trust any filament retailer that does not have those data sheets for expensive engineering filaments. Nor should anyone else.
Don't sweat such things. None of them are anymore than a starting point for a new filament. Every printer is a rule unto itself for best results with any given filament. And most filament brands put a sticker on the spool to tell you what temp ranges the extruder and heat bed generally work best with that brand.
So pick a starting temperature for the nozzle and bed and then print a temp tower or two if you really want the best out of the filament with your particular printer. Then adjust accordingly and save YOUR profile. If it doesn't matter much, those mid-range temps will work just fine. And no extra thought required.
While it's not a universal solution, (you do need to be 5% smarter than the machine you are fixing), it's a good option to have for those of us in the middle of nowhere and often having a need to fix something now to get it working and not need to wait for 2 weeks from now. I do keep a roll of 95A TPU for other items.
I do have a possible use for such a solution. But I will need to remove to roof off of my JD tractor to get at one of the blower motors. It should be an excellent replacement for the open foam gasket that cost $30US from JD.
I do some light general foraging in the forest I live in and mushrooms are a seasonal treat. And I often have Shaggy Mane mushrooms growing in my yard, (don't worry, I do not use fertilizer or herbicides ever). And fresh chanterelle mushrooms are an edible gift from the gods.
Like most things in life, mushroom hunting isn't super dangerous, (if you mess up the odds are it won't kill you outright but they will make you wish it had), but it does take some learning and practice.
Lots of people out there that don't want to be bothered but such details. And absolutely don't want to spend time learning the why you do something.