3D Printing

nando

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Stereolithographic printers have their expensive proprietary resins but for most printers you can find some cheap replacement. I'm curious to see the methods they come up with to enforce their own materials. Microchips in the plastic or something.



this guy in a play space here in oakland made a filament recycler. but i think thus far, companies that require the use of their own plastics can only deny warranty, they can't really keep it form working.
 

FAST6191

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companies that require the use of their own plastics can only deny warranty, they can't really keep it form working.

I wonder how that works, I would have thought all sorts of laws prevent that, I am not so familiar with the US case law on the subject ( http://architectures.danlockton.co.uk/case-study-printer-cartridges/ and amusing things like the plastic snap tabs thing that I can not find a good link for right now).

On the other hand the US is a country where you can not save your seeds ( http://www.columbiatribune.com/busi...cle_fbcb9f92-79f8-11e2-8a5c-10604b9f7e7c.html ) and can be sued if a plant interbreeds with yours through no fault of your own.
 

Marcell

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I've built a Huxley (which is an open source 3d printer) back in 2012 and I am still using it. Sometimes it's difficult to find practical uses for it but it can be used to print replacement parts for certain household machines. I use it mainly for printing models, like ships from EVE Online and then painting them but I also used it for printing party earrings for my girlfriend or an enclosure for some electronics (like the uIEC thing I have in my C64 doing the 1541 emulation from an SD card).
 

Drink the Bleach

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They stopped including full cartridges with new printers, now they only give you a test-sample-sized cartridge and it's cheaper (but still expensive) to buy OEM toner.
Thats why I said starter ink. Though I heard they've done tests with how many pages they could print off of starter and a standard cart, and I think the difference was like 8-17% between capacities.
 

FAST6191

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I'm sure I'll have one down the line. I need to pick up some CAD skills before I bother, though.

Modern mechanical engineering CAD for 3d stuff is pretty good if all you want it something that a 3d printer could spit out, indeed it mostly seems to be going the opposite way of photo and video editing. Understand one's workflow (they vary a bit, though mostly it is the difference between 2d sketch to make things and 3d bases to others and how much you use constraints) and it becomes like image editing once you understand and actively make use of selections, layers and layer masks.

Have a look at something like http://www.ptc.com/product/creo/elements/direct-modeling/express or http://www.123dapp.com/ (it is from autodesk, I preferred their old free program of inventor fusion but this is not bad either and is fairly well supported among the home 3d printer set).

You start needing crazy parametric stuff, needing to use nurbs like a big boy or full analysis/testing and you probably want to pay, or possibly try to use some of the open source stuff (doable, not pleasant though) or even kick it old school and go full 2d (there is some very good free stuff there).
 

grossaffe

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Modern mechanical engineering CAD for 3d stuff is pretty good if all you want it something that a 3d printer could spit out, indeed it mostly seems to be going the opposite way of photo and video editing. Understand one's workflow (they vary a bit, though mostly it is the difference between 2d sketch to make things and 3d bases to others and how much you use constraints) and it becomes like image editing once you understand and actively make use of selections, layers and layer masks.

Have a look at something like http://www.ptc.com/product/creo/elements/direct-modeling/express or http://www.123dapp.com/ (it is from autodesk, I preferred their old free program of inventor fusion but this is not bad either and is fairly well supported among the home 3d printer set).

You start needing crazy parametric stuff, needing to use nurbs like a big boy or full analysis/testing and you probably want to pay, or possibly try to use some of the open source stuff (doable, not pleasant though) or even kick it old school and go full 2d (there is some very good free stuff there).
I'll probably be starting with some nice software through school as I'm starting my Senior Design Project this upcoming semester which I'm sure will have some use for some 3D printed parts.
 

FAST6191

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With the [not £50K] 3d printers I am not so sold on printing useful things. However for using things made from them for further manufacturing I am very much a fan, one example

 

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