It’s also important to note that you might come out ahead in learning those abstract concepts using a harder language.
But my first language was Pascal. from a book stolen from my dad’s library. Then C++. I still wouldn’t call myself anything other than an amateur… I mean, my dad can do more with one line of C than most programmers can do in their entire career. (he really shouldn’t. but he does. Calls it “job security”.)
Mostly by the cost? As for sets, they’re going to be 200+ easy.
Theres also some difference in tolerances, but to be honest, a super tight tolerance is a double edged sword. Bulk-produced bolts won’t be as tight anyhow.
For casual/infrequent uses, it’s totally fine to get the inexpensive ones. (I’d recommend going to a local hardware store, they tend to have not totally-shitty sets and most sizes/threads individually.)
Also, for printed parts, you can absolutely just cut in with the bolt, unless your printer is somewhat inconsistent, a with a well-calibrated printer, all you really need to know is how much your holes tend to shrink (the thermal contraction as the plastic causes the final diameter to be smaller. This is why we invented test prints…… well. Not me. Somebody’s smarter than me.)
So the stuff about the 1/8” rod is… just a general fabrication tip.
If you’re ever reading a bill of materials and they call for threaded rod- which is unfortunately common for a lot of printer groups- you can almost always use the same size smooth rod if you cut thread on the ends with a die.
It saves money (threaded rod is smooth rod with threads cut the full length,) and it looks neater. (A drill and some sand paper and a bit of scrapped t-shirt cloth doped with green buffing compound will make it shiny, even.)
What the other person is saying about tap magic, is just to use lubricants while cutting. 3-in-1’s og is my go to. Tap magic is a similar brand. You can get by with wd-40 if you have to.
all it’s doing is helping with temperature, and making cleaner cuts since it lubes every thing (the cutting edge still bites, but it doesn’t bind as much with the chips.)
The other thing to remember is that every turn or half turn, you should break off the chips (the metal coming off,) by backing off a quarter turn. This helps keep the cutting head free making a neater thread.
Other than that there’s no reason to be intimidated by any of this. For this, you can probably just cut the m5 thread, but you’ll want to predrill what ever bolt’s standard bore size is, and be sure to keep that square and straight as you do.
The uxcell is a “cheap” brand, for a one-time thing it’s fine but if you find you use it more and it’s getting frustrating to use… it’s lost its edge and is dull.
So, the biggest difference in quality is the steel and hardness.
For 2020 aluminum, it’s not that big of a deal. Even less so for “occasional” use. For harder metals, the cheapos will wear out faster and that maybe leads to frustration.
Guess my point was… we almost never use more than 2-3 in a set, so, it’s better to get the 2-3 and better quality at the same - but totally get the cheapie if you don’t want to spend that much.
At least I only use m3,5 and 1/8” sets.
Also, for the record, you can absolutely tap plastic for a reasonably strong thread. Just add a couple extra perimeters.
So the thread in the aluminum was stripped?
There’s a few options that might work. Threadlocker isn’t really epoxy or glue. I’d the thread is merely loose, it’ll keep it from coming out with vibration.
Another option is straight up epoxy- but this would be hard to undo.
Possibly, the best option would be to re-tap the thread. You might be able to get an m4 tap and clean it up with that.
If that doesn’t work, or it’s already that far gone, you could probably go up to an m5, though that would weaken the extrusion more than intended.
If you do want to try re-tapping, avoid the trap of buying tap and die sets. Just get the individual pieces you need (the chuck/holder thing and a the m4 or m5 tap.) a cheap set will still be more expensive than high-quality taps in the 2-3 sizes you actually wind up using.
(Also, general note 1/8” smooth rod is in every hardware store, and a die is much cheaper than 1/8” thread and usually looks neater, unless you need it fully threaded.)
My guess is they mean, one capital letter, one lower case letter, a number, and a special character
what’s always amused me about these rules is that they exist because people are dumb. Technically, they lower the difficulty of the passwords slightly. ( for example, knowning that one character is a number reduces it to 10 options in stead of 10+26+26+whatever set of special characters)
anyhow. people should use password managers. just saying.
Careful. Too high and you will get failed prints. (Somewhere around the glass transition temp,)
I’d suggest taking it down to 210, 215. a bed at 60 should be normal. If you have one take an IR thermometer and read off a sheet of paper (or a 1-layer print. the thermometers aren’t so good at reading glossy surfaces.) IIRC, for most PLA’s the glass transition temperature is around 70 so 60 should be right there.
Glass transition is where the plastic begins to soften and be bendable/moldable.
How’s your temperature? Could be printing too hot. Both on the nozzle and the bed.
you’re layer adhesion is fine?
Do you see the pattern in the textured bed? what happens if you get some modeling clay or playdough or a kneading eraser, or anything like it and press it to the plate?
If it’s not just a texture coming off the build plate (guessing not on your comments?) and it’s not from your z offset/first layer height, then I would look at your temperature settings (might be too hot?) and check that your expected extrusion widths are matching what you are in fact getting.
Alternatively, build a siphoning drain tube so your movement over the surface sucks the water out as you go.
Then you just have to not stop paddling.
can you print PLA on the .8 nozzle just fine? (I’d suggest clearing the clog- an atomic pull is my go to, maybe followed up with some cleaner filament, then a filament you know well.)
for some comparison, a .8mm nozzle has about four times the crosssection of a .4mm nozzle. (.502 to .125 mm^2), similarly, the volume of a 1mm line printed, assuming you’re using a line width equal to the nozzle and a half your nozzle diameter in layer height, is about 4 times as much, as well. ( .32 mm^3 compared to .08 mm^3.)
in short, given the same printing speed, and the same diameter filament, you’re going to have to extrude 4 times as much filament at any given moment, which means the filament will have to pushed through much faster than a .4mm nozzle, which in turn means that the plastic has about a quarter of the time to heat up before being pushed out of the nozzle tip- and there’s more of it to absorb the heat.
There’s a few things you can try, but probably the only one that would be effective without more or less rebuilding the hotend (and the new-parts-cost associated with that,) is slowing it down.
For the record, if it wasn’t clogged before, it probably is now. since, ultimately, what would be happening is that the .8mm nozzle is causing your printer to print cold.
Looks to me like the plastic isn’t getting hot enough fast enough.
Is it just wood filament that isn’t printing right? Can you print pla or whatever on the .8mm?
Does the filament brand suggest a range that’s higher than you normally print at?
Have you used blender at all? It has some photogrammetry .
I’m not sure it’ll be even close to precise, but, it’s a start.
So like that hot-glue-models that came out? you could tell it was supposed to be a cube-like object. For a middleschool hacking components out of junk electronics… well… it was both hilariously awful… but in hindsight I should have been very proud of it.
it did do what I needed at the time, though, so there was that. I wouldn’t really recommend PVA as a filament material, though.
My first printer was a self built reprap from parts from aliexpress in college.
my first was a hacked inkjet printer with my mom’s PVA hotglue gun strapped to the print head. (should have seen my dad’s face when he asked if he could have his printer back, so he could print some tax documents. His mistake. he should have known by then to ask what I wanted it for. I’m not sure mom ever figured out what happened to her hotglue gun…)
I also remember the industrial tech/graphics design teacher in highschool being like “Uh. cool. but why?” (and then being like, “HEY can you bring it in for the class? ! that’s actually really cool”)
Define “worth it”??
For many, it’s a hobby. For many more, it’s an adjunct to whatever hobby they do have. Hobby’s don’t have to save you money; and I’m militantly opposed to monetizing hobbies as a way to “justify” them.
Personally, I’m mostly 3d printing custom components (that I’ve designed), for R/C aircraft of various sorts. (Like, my cyclogyros, or the flying saucer powered by a 3d printed ducted fan; which is, more or less, a scaled model of the saucer from the OG Day The Earth Stood Still. or the thermal airship using toaster wire that has taken on a lot of different forms, ranging from 20’ star destroyers to whale sharks to a robot named Buoyant Bob that hands out candy on Halloween.)
I also enjoy 3d printing as a hobby, in of itself, too. (and spend waaayyyyy too much tinkering on the printer. its fun.) But it doesn’t have to save me money, and I feel no need to compare it to other forms of hobbies. It’s what I enjoy.
edit: lets put this in perspective. This would be like asking a golfer if they found golf worth it. the only real questions are “Do I enjoy it” and “can I afford it”. not “can it save me a buck”.
there’s three qualifications to being a testor:
Finding stupid ways to break shit, Being able to accurately explain how you broke shit, and being likeable enough that breaking their shit doesn’t make the devs angry.
PEBKAC.
definitely a case of the PEBKAC
Well. yes. it does strongly depend on what you intend to do with it.
Python is a great language that’s very broadly used; there’s a reason that Apache added the python API; after all. (and why Scala is plummeting.) I wouldn’t even say Pascal was all that useful, to me. I think I ‘learned it’ enough to get through the dumb book, and then went on to something else. C++ was more fun anyhow.