dual_sport_dork

joined 1 year ago
[–] dual_sport_dork@lemmy.world 1 points 3 hours ago

Ask the Filipinos, who are the ones who both invented and named it. "Butterfly knife" is a western neologism for it.

[–] dual_sport_dork@lemmy.world 2 points 15 hours ago

That, or even street drugs are so expensive now no one can afford them. Damn inflation...

[–] dual_sport_dork@lemmy.world 20 points 17 hours ago

I would have left a thumbtack on every chair, and a bucket of whitewash balanced over every door.

[–] dual_sport_dork@lemmy.world 3 points 18 hours ago (1 children)

Dem overhangs, tho. Did you print this upside down, with the open end on the print bed? It looks quite good.

I think PETG is probably a good choice for this application. PLA, especially if it's thin walled as I suspect it is here, will disintegrate pretty quickly with continued exposure to temperature variations, moisture, and sunlight.

ABS is infamously pretty vulnerable to UV, also. You could protect it (or any of the others, really) with a coat of paint.

[–] dual_sport_dork@lemmy.world 114 points 20 hours ago (3 children)

How we have lost perspective. When I was that age I was forced to walk to school, a distance of about 1.5 miles.

Forced, mind you, because if you were considered "too close" to the school you were not eligible to ride the bus. Other than the land directly adjoining the school grounds, the roads I had to use also did not have sidewalks. The number of children killed, maimed, or injured by this during the years I attended that school were, to my knowledge... zero.

[–] dual_sport_dork@lemmy.world 3 points 22 hours ago

As for why: I have no idea! Maybe just for user familiarity reasons, since a lot of people grew up with that kind of analog feedback that the antenna wasn’t getting a signal.

This is exactly why. Preventing screen burn-in may be a tiny peripheral reason also, but providing a familiar experience to chronically myopic and cranky users (i.e. boomers) is probably the bigger one.

[–] dual_sport_dork@lemmy.world 3 points 22 hours ago* (last edited 22 hours ago)

The trope of video/audio breaking down into static is an easy shorthand that is unlikely to be forgotten, probably even well after all the devices capable of doing so have long since been buried in the landfill.

It's especially hilarious in media depicting the far-flung future, where apparently all technologically advanced space men and their communications devices -- not to mention high powered central supercomputers and so on and so forth -- somehow still work over NTSC television signals. Even by the early 1980's it should have been entirely predictable that in "the future" anything like that would be digital, considering we already had widespread digital audio media (CD's), and digital video was already making inroads into the computing industry.

[–] dual_sport_dork@lemmy.world 21 points 22 hours ago* (last edited 22 hours ago) (2 children)

Tube TV's remained in common service well into the 2010's. The changeover from analog to fully digital TV transmission did not happen until 2009, with many delays in between, and the government ultimately had to give away digital-to-analog tuner boxes because so many people still refused to let go of their old CRT's.

Millions of analog TV's are still languishing in basements and attics in perfect working order to this very day, still able to show you the cosmic background, if only anyone would dust them off or plug them in. Or in many retro gaming nerds' setups. I have one, and it'll show me static any time I ask. (I used it to make this gif, for instance.)

In fact, with no one transmitting analog television anymore (probably with some very low scale hobbyist exceptions), the cosmic background radiation is all they can show you now if you're not inputting video from some other device. Or unless you have one of those dopey models that detects a no-signal situation and shows a blue screen instead. Those are lame.

[–] dual_sport_dork@lemmy.world 2 points 22 hours ago

From a chemical composition standpoint I couldn't tell you, but my off-the-cuff testing indicates that the glow remains visible for quite a few hours -- All night, in fact, though obviously tailing off in brightness considerably as time goes on.

[–] dual_sport_dork@lemmy.world 2 points 23 hours ago

I have a diamond nozzle installed already.

PETG's issue in this particular application is layer strength, wherein it's difficult to top PLA except with some semi-exotic and rather hard to print materials like polycarbonate. Both the screws and the blade carrier in my design rely on layer adhesion not failing for durability. Otherwise honestly the parts are all pretty low stress other than I guess potentially the pocket clip.

[–] dual_sport_dork@lemmy.world 5 points 1 day ago (1 children)

For a short time in total darkness it actually is pretty bright. Obviously my phone's camera automatically wound the exposure up quite I bit when I took that picture in the dark, though. That was without any special charge-up, just an hour or so of exposure to the largely LED based lighting in my office with it lying face up on my desk.

This is the Overture brand glow PLA.

I whacked it with my little Lumintop single AA flashlight last night and left it sitting on my bedstand, and found that it was still quite visibly (albeit dimly) glowing by dawn the next morning.

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submitted 1 day ago* (last edited 22 hours ago) by dual_sport_dork@lemmy.world to c/3dprinting@lemmy.world
 

I'm finally getting around to messing with this stuff. Now I can balisong in the dark.

Step 2 is determining how badly all the particles of gumf in this filament negatively impact the mechanical strength.

Edit: I probably should have said this in the first place, but this is Overture green glow PLA.

The model is my Rockhopper balisong utility knife. Go check it out -- it's fully printable, even the hardware.

Smooth brain. No ridges or lumps, nor valleys or bumps; all facts and just logic slide right off.

 

Wouldn't you know it, I've been messing with the current release candidate for FreeCAD lately. Just now, I used it to make this.

I got annoyed at having to search through all these multipacks of files to find a Gridfinity bin in the size I want. So I decided the hell with it, and made a parametric configurable FreeCAD model that creates bins or you, in any size (within reason) and also with a configurable number of fixed dividers in the bargain.

My main intent was, of course, to use these to organize oodles and oodles of pocketknives. You'll never be able to guess why. But if you have a use for it, knock yourself out.

 

This one's a real reach. Mo' obsure, mo' better.

I got annoyed by my BRS Replicant (clone) showing up with very swanky channel milled handles, but no latch. Yes, it came with a little ballistic nylon belt pouch and no, even I of all people am not a big enough nerd to actually wear it that way.

So I made this, which is a little friction fit dingus you can print out of TPU that fits quite snugly over the bite handle and holds the knife shut, but you can slip it over the end of the safe handle with your pinky easily.

 

cross-posted from: https://lemmy.world/post/17328458

Oh boy, here I go shillin' again.

I just updated my 3D printable balisong utility knife so hard that it wound up with a new name.

As usual, you get the brief version here. Massive amounts of details are located, as ever, in the original post and also at the Printables link.

Want one? Of course you do. Get the files here.

 

"You need to buy this special heater pad to break the screen adhesive!"

No, I think you will find that in fact I don't.

 

My eye's not twitching. Your eye is twitching.

 

Look upon my maker space, and despair.

Anyway, here's what a 15 minute Benchy looks like.

Things I like:

  • This thing can print stupidly fast. I don't know, maybe this high speed CoreXY shit is what all the cool kids are already doing these days, but this is new to me.
  • Runs ordinary Klipper g-code, and while the firmware is quite customized it's still at least open source.
  • Huge build area.
  • Basically unbox and go.
  • Look and feel, interior lighting, etc. is significantly improved over my 1st gen X-Plus.
  • Has an optical bed leveling sensor built in.
  • Has an actual chamber heater element with a PID, doesn't just rely on the residual heat from the build plate.
  • The top lid authoritatively keeps out dust when the machine is not in use, or when running it enclosed with the chamber heated. The last gen machine had a big ass hole in the lid all the time, which let in grit and fuzz. (My machine is parked in my basement, as you can see, which is not a super clean area.)

Things I don't like:

  • The build plate is textured on one side... And textured the same on the other side. That's stupid. Qidi sells a replacement plate that's smooth on one side like the ones that used to come with their old models, but you have to buy it separately and it's like $48. It's also out of stock everywhere.
  • Doesn't come with an internal camera. Again, Qidi sells one separately. But it's an added expense.
  • Didn't come with the nice little tackle box case for the included tools and spare parts like my old Qidi, either. Teh fook? I guess I'll have to print one.
  • It's fucking enormous. I had an opportunity to see a Bambu X1 Carbon in person today, and the Bambu is way smaller in external dimensions, even moreso than the difference in build area would lead to believe. It wastes a ton of space inside.
  • It's also heavy as hell.
  • It comes with a dry box, but it's not an inbuilt dryer. It does have a spot to stick desiccant, though.
  • The rear filament spool loading location is moronic. You need like 12" behind the machine to be able to swap spools. I will be running this from an external dryer placed on the table next to it instead.
  • The build plate base has an incredible amount of thermal mass, and does not actually reach the temperature of your setpoint at the surface until some minutes after the PID says it did. You should start preheating a few minutes before beginning your print.

Quirks and annoyances aside, this machine looks like it's shaping up to be able to knock out parts about four times faster than my old one. So that's nice.

If I had to do it again I may have gotten the X-Plus 3 rather than the Max (my old machine was also a Plus) since I'm not really sure I'll use the extra build volume too often. But damn it, I like knowing I can print a part a whole foot across in a single shot.

It makes the dinkum drawing table I have it sitting on wiggle quite a bit when it's doing high speed moves. You probably want a very solid foundation to put a machine like this on, and I will probably have to devise a different table situation soon.

 

We've been having a good old time with this over on the Pocket Knife community, but I figure there's probably a lot of crossover with this crowd as well.

I'm sure you've seen various clever little one piece utility knife blade holders on Thingiverse and so forth, and while they're quite functional I don't think they're nearly as overwrought or silly enough, nor require quite enough components.

Rather than repeat my entire post from there over here, I'll leave you with these:

Link to Project Annoucement

Link to .STL Files And Assembly Instructions

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