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3 D Printing


linus6948

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As a Child who grew up watching "Lost in Space" I have always been fascinated by a machine that could make it`s own replacement parts and thousands of other things. I picked up an XYZ Davinci Printer for $349 on sale from Newegg, I have to say this technology is amazing. Wisely the first thing I made was a little Bud-Vase for the Bride and she was sold on it 'hook line and sinker".

 

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I don't have one of these printers myself, but have seen some of the stuff a guy I know has made.  I wonder if there are plactics available that would make good replacement control knobs. like the one for the wipers, that sits on top of the dash.  Mine crumbled to pieces, and I've not found a replacement yet.

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I would guess this type of printer could duplicate just about anything. Now being design or 3d cad savvy at all I rely on thing-universe for the free downloads available there.

 

http://www.thingiverse.com/search?q=knobs&sa=

 

http://www.thingiverse.com/search/page:1?q=elf&sa=

Edited by linus6948
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This is the vase I first made only this time in red, my Wife loves the damn things and has me cranking them out. Later today I will be getting a roll of black filament and I`m going to make a 12inch Maltese Falcon Statue like from the Bogart movie.

 

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You can make replacement knobs for your car with the 3D printers. My nephew made some for me on his 3 D printer he made and they work just fine. You can thread them to screw on the gear shift handle and the ones that go on the other items or shafts he threaded a tiny set screw that you tighten down. You can make them in any color, shape, length and ect. You can even put the lettering on them as the originals. He made them and polished to make them all pretty. This guy my nephew is my computer man when ever I need something done. He made his own 3 D printer from scratch piece by piece. I have some pictures on my camera that I have down loaded and I will and post them. The length of time to make depends on what size, texture, polishing, threading and ect. I think he said he spent about one hour per knob on mine not including the threading. Oh heck I just went ahead and down loaded the pictures but they just don't give the knobs justices.  

 

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Edited by Labrauer
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How long does it take to produce each item?

It can be from minutes to hours depending on the size, quantity and the quality of resolution that you choose. I made the Wife four Bud-Vases and that took a little over four hours,

 

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Have you tried flame polishing the plastic?

 

Is it possible to do "clear" or transparent things?

 

I've been waiting for these things to become more mainstream before buying one, but it looks like the time is nigh. 

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There are a lot of colors available as well as different plastics. All I have used is ABS plastic filaments,there is also PLA plastic available and some others. I haven`t seen a transparent filament yet but it might be out there. Haven`t tried any polishing, I believe acetone is used sometimes as it readily dissolves ABS plastic, I haven`t seen any flame polishing yet.

Edited by linus6948
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my company has a large Fortus 3D machine that we make production parts with.  It's expensive ~$150K and kicks butt over the smaller affordable home versions, but it's expensive and I've been lucky to have one at my disposal.  I'm changing jobs here in 2 weeks and will lose that resource to mock up parts for work (and my trucks).  

 

Speed is dependent on resolution and material type.  The process does NOT allow you to make "clear" parts, they will always be a bit cloudy.

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Maltese Falcon Statuette made in three sections and joined with ABS acetone "glue" and then coated in a brushed slurry of the same "glue". That painting on of the slurry gives it that shiny enameled appearance and blends the build lines to a smooth finish.

 

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Tear Drop Bird Houses for small song birds, I figure since the machine is sitting here it might as well always be making something useful. Since my Bride already feeds all the birds in the neighborhood I might as well start providing low cost housing for them.

 

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I have to admit this printer is a source of endless amusement for me, presently I have a backlog of items and gadgets waiting to be printed. Problem is everyone wants an Angel now, so it spends a lot of time printing them to meet the demand.

 

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I was watching one of those lawyer tv shows recently.......had to do with the fact some fellow had put out a program or

whatever operates these machines......that would make a working pistol.   It seemed there was a weak place in the

finished gun due to how the printer made a certain piece.......and a gun blew up.   That was the first time I had heard

about the 3D printers.  

 

Did you ever see that video Jay Leno has made about a machine in his shop that can reproduce old car parts.....maybe

it is one of these printers, but much larger and more expensive.......like ggdad was talking about.  Can that machine make

something that looks like chrome plating?  That would be a deal there.      

 

Very interesting.  

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Of course there were a few bumps in the road all due to to "operator error", after three hours of flawless printing I decided to clean the extruder head and I was having a hard time with a clump of melted filament stuck to the side of the extruder nozzle. I wasn`t going to be defeated by it`s resistance and finally yanked it free with pliers. It was then I noticed the the very small gauge wires now ripped out and exposed.

  I quickly discovered that I had destroyed the Thermistor, a tiny glass bead about 2mm in diameter that monitors the head temperature and was covered by a glob of silicone, now I was out of business.This apparently is done by a lot of people as the initial filament provided is exactly the same color as the silicone clump I so diligently removed. The manufacturer does not cover this under warranty and charges $100 to replace the thermistor and the lost time in shipping back and forth and the shipping charges.

I could not find this part at any electronic or computer supply store as it is only used apparently in 3d printers. I found lots of them on ebay, so I did a distance search and found one 95 miles away in NJ and I emailed the seller.

I was able to go pick one up in person on my way to a friends wake in NY, in fact I bought 4 of them, he had two types and I took 2 of each style for $15 all in.

 

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Now I was back to printing and my next debacle was my impatience in removing completed objects from a still hot glass printing bed. This resulted in my cracking the glass across the middle. Once again ebay came thru and I found a new heat bed for $25 all in and I replaced it. So now I am very familiar with the inner workings of my printer and have about 185hrs of print time on it, I have learned a lot in a short time, all the hard way.

 

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Edited by linus6948
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Did you ever see that video Jay Leno has made about a machine in his shop that can reproduce old car parts.....maybe

it is one of these printers, but much larger and more expensive.......like ggdad was talking about.  Can that machine make

something that looks like chrome plating?  That would be a deal there.      

 

Very interesting.  

 

these things print a pretty porous object, Generally they literally won't hold water over time.  There is also a fair amount of "rastering" or "wood graining" on curved surfaces as well.  To smooth parts you have to do lots of sanding as well as using a filler to get a good surface.  That all said and done, it's a plastic part so you could not do a true chrome plating beyond what goes on other plastic parts.  Parts are also only about 80% of the strength of a injection molded part in the layer print direction.

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 . . . It was then I noticed the the very small gauge wires now ripped out and exposed. . .

 

 

Guess how I lost reverse gear on my Evinrude Lark?  (electro-magnetic clutches in the trans...) 

 

Oh, I feel for ya man. we've all done something like this at some point.

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  • 2 weeks later...

Since I`m creating a Levittown for the Birds I figured I better offer them two model homes. I scaled up the original size to 125% for larger Birds.

 

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Made some Handles for a gate

 

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More Cherubs

 

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This is one of the most down-loaded prints on thingiverse.com I think it is a riot, but I`m very immature

 

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Edited by linus6948
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