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(Uproxx)   3D printing in your house is pretty much the equivalent of smoking indoors   ( divider line
    More: Scary, admission note, particulates, denim jackets, smoking  
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4723 clicks; posted to Geek » on 24 Jul 2013 at 3:47 PM (4 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»

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2013-07-24 08:51:14 PM  

GreenAdder: Ooh. So does this mean I can call anyone who's against 3D printing a "Nazi?" And I can bemoan how my precious 3D printing rights may be taken away? And I should be able to 3D print in a restaurant, or a store, or anywhere I choose, because if people don't like inhaling the byproduct of my habit, it's their problem and not mine?

Can this be that thread?

It took me all the way to the word "inhaling" before I realized you weren't actually talking about CCW.
2013-07-24 09:19:24 PM  
Have one run for about 2 minutes.  If at that point you haven't realized, "wow, this shiat smells like I shouldn't be breathing it," you probably deserve whatever is coming your way later.
2013-07-24 09:25:12 PM  

Firethorn: Mikey1969: No, it doesn't. You don't "melt" the plastic. there is basically a fine powder(similar to printer toner) and an epoxy that makes stuff stick together. Layer of epoxy,layer of powder, rinse, repeat... The powder is still bad for you, but calling it "melted plastic" is completely wrong. They build up, as opposed to cutting down.

You're incorrect; the most popular systems do indeed melt the plastic. They don't use powder, but plastic 'filaments' that they melt much like a hot glue gun.

There is a powder/epoxy printing system, but then it's metal powder and the epoxy merely holds it in place until you heat it up enough to clear out the epoxy and sinter the metal.

Pretty sure the systems you both mentioned exist. There's the metal sintering ones, there's also UV/laser-curable resins, and even powder bed techniques that use plaster and inkjet nozzles. There's a lot of approaches.
2013-07-24 10:06:35 PM  
so, print in your garage, or use a respirator?

there are a lot of things that are bad for your health, building a house is one to start with
2013-07-24 10:41:41 PM  

Eleri: Quantum Apostrophe: hardinparamedic: I CHOOSE YOU, TECHNOBEVETS!

[ image 850x478]

Please describe what you have 3D printed , how much it cost, what it was, why you did it that way, and if you did it at home.

I'll...actually take you up on that.

I had printed a Picatinny rail attachment to replace the back end of a Hasbro LTAR lasertag gun so that I could attach a sight for outdoor lasertag games that I've run for years with a friend. It cost ~$20, including shipping, and I had Shapeways make it for me. It would have cost less to manufacture by hand (probably about $15 including a plastic rail), but I managed to get a part that fit the exact shape snugly, and attached in exactly the manner I wanted it to. Oh, and once I've gotten my second revision and have worked out the bugs I can share this design with everyone who wants one.

Now you've done it.  Prepare for a diatribe about how your "laser" is useless, and we'll never have real portable "laser" weapons that can actually hurt someone because 747's still can't fly faster than sound, or something.
2013-07-24 11:49:45 PM  

ProfessorOhki: Have one run for about 2 minutes.  If at that point you haven't realized, "wow, this shiat smells like I shouldn't be breathing it," you probably deserve whatever is coming your way later.

I couldn't smell mine at all when I first started running it.  In fact, no one in my house noticed any smell coming from it at all until a friend came over and complained of the burning plastic smell.  The penny dropped, and suddenly I could (albeit faintly) detect the fumes.

That said, I'm going to start looking into some sort of extraction method soon.  I want to keep it inside as the shed has too many cold draughts which can screw up the prints.
2013-07-25 12:13:21 AM  
You farking murders cooking meat in your house?  Look at the compounds that releases!
2013-07-25 12:24:59 AM  
This reminds me of the new season of Project Runway, where this one guy made a huge deal about being a 'sustainable, zero footprint' designer, who only used 'dead stock' fabrics, wouldn't use electricity, put makeup on his models, etc. His idea for the first challenge? Burning nylon with a cigarette lighter indoors.
2013-07-25 01:39:41 AM  
Just 3D print yourself an air filter.  Win-win.
2013-07-25 03:29:54 AM  
At long last chimneys will make a comeback.  Children will no longer have to ask how Santa will arrive.
2013-07-25 01:21:17 PM  
If only there was some way to easily fabricate parts to build your own ventilation system.
2013-07-25 09:36:43 PM  

basemetal: I remember the first time the wife fired up a new laminator in the house instead of the garage.  Holy hell the fumes were toxic smelling.

/she didn't have to be told not to do that again

Sounds like the time we let our oldest bake polymer clay in the kitchen oven.  Got a dedicated toaster oven we put outside for that.
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