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  (Source: instructables.com)
3D printers are now more affordable and easy to use

Three-dimensional printers were once considered too expensive to be part of the typical home's collection of gadgets, but a new study says that idea is changing. 

Michigan Technological University researchers -- led by associate professor Joshua Pearce -- have found that it could be cheaper for households to buy a 3D printer and create their own products than to buy them from stores. 

Three-dimensional printers take materials, such as plastic, and create products by printing layer upon layer from the bottom up, following a specific design. 

Pearce and his team came to this conclusion by identifying 20 common products found in the typical American home. They used the website Thingiverse, which offers free designs of these products for 3D printers.

After choosing the 20 designs, they looked at Google Shopping to see what the highest and lowest prices were for these items if they were to be purchased online (minus shipping charges). 

They then looked at the costs of purchasing the material for the 3D printer to use for product creation, and compared this data with the Google Shopping prices.

The result was that the average American household would spend anywhere between $312 and $1,944 for the 20 chosen products online as opposed to just $18 if they made them with the 3D printer. 

The 3D printers themselves cost anywhere from $350 to $2,000. Pearce said the 3D printer would pay for itself anywhere from a few months to a few years time. 

"For the average American consumer, 3D printing is ready for showtime," said Pearce. "Say you are in the camping supply business and you don't want to keep glow-in-the-dark tent stakes in stock. Just keep glow-in-the-dark plastic on hand, and if somebody needs those tent stakes, you can print them."

"It would be a different kind of capitalism, where you don't need a lot of money to create wealth for yourself or even start a business."

Pearce said the fact that prices are starting to come down for 3D printers, and the fact that it no longer requires an engineer to figure out how to use one, will make 3D printers more ubiquitous in the home in the coming years. 

Source: Science Daily



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By Keeir on 7/30/2013 10:11:05 PM , Rating: 2
quote:
First of all, these printers have a limited resolution, so anything that will require tight tolerances or a certain fit specification is pretty much a toss up whether you'll be able to print a replacement at home.


This is a good point. Having used a variety of 3D printed parts in both plastic and metal, I can tell you that -very- high tolerances can be acchieved.

But I think focusing on "replacement" of broken things is a mistake. I'd say its more of filling your own personal niche market. For example, with some ink refills and springs I might be able to create a custom ergo pen for <.10 dollars a pop. With liquid/food safe plastics, printable cups would be great. I have a need for a narrow tall cup of 5-6 oz. Or various game peices (create my own chessman). Oh gosh, so many holders that I can't find just the right size for...

The issue still remains that today only plastic printers are really cheap enough to even consider for home use. The majority of plastic only parts tend to be very cheap... even though the base material is cheaper by another whole factor, its hard to feel like you saving real money when you nickle and diming you way up...


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