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2011年5月14日星期六

3-D Art for All: Ready to Print

“There’s nothing like working with plastic!” Marius Watz announced to an appreciative crowd at the start of a talk in Brooklyn recently. Mr. Watz, a Norwegian-born artist, was describing his work with MakerBot, a new consumer-grade, desktop-size 3-D printer. With some assembly and do-it-yourself tinkering, the MakerBot makes, or “prints,” three-dimensional objects from molten plastic, creating a piggy bank, say, or a Darth Vader head from a computer design at the touch of a button.


“I’d heard about 3-D printing in the ’90s, but at that time it sounded like some sci-fi technology, like laser guns,” Mr. Watz said. “Basically, it sounded totally awesome.”


“Awesome” was sort of the buzzword at MakerBot’s inaugural open house, held at its warehouselike offices in Gowanus, Brooklyn, where Mr. Watz, its first artist in residence, showed off his sculptural forms (“We just started doing some blobby objects — vaguely disturbing but also awesome”) to a few dozen admirers and MakerBot owners, mostly guys in various stages of nerdy bliss. (“Aaawwwe-some.”)


After a burst of invention by three friends, the company was formed two years ago — “built on caffeine,” said a founder, Bre Pettis — and has since expanded to 32 employees and thousands of MakerBot kits sold. Three-D printing has existed for years, but the machines were cumbersome and expensive, relegated to art and engineering schools, often monopolized by specialists. The MakerBot, which tops out at about $1,300, gives anybody with a computer and an idea the same creative horsepower, and artists are beginning to take notice.


On Saturday 3rd Ward, the Brooklyn arts and design collective, will host a Make-a-Thon, where those interested can play with the Bots and receive miniature 3-D busts of themselves printed by Kyle McDonald, MakerBot’s current artist in residence and an expert in digital scanning.


“It’s definitely baked into the DNA of MakerBot that this is a tool for creative people,” said Mr. Pettis, 38, who worked as a middle school art teacher in Seattle before starting the company with Zach Hoeken Smith, 28, and Adam Mayer, 35, hardware and Web developers. (They met at a Brooklyn hacker space.) As part of their mission, MakerBot’s founders also embrace sharing: users are encouraged to post their designs for the machine on a company blog, Thingiverse, where anyone can have access to them, to print or modify.


“We’re obsessively open-source,” said Mr. Pettis, who, like many people in the MakerBot universe, speaks with the zeal of the technologically converted. “In this age of the Internet, the sharers are the people who will come out ahead — the people who make progress and then share it so that other people can stand on their shoulders.”


He knows his audience. John Abella, a MakerBot hobbyist from Huntington, N.Y., came to the open house with a bin full of objects for the show-and-tell.


“Almost all these things are things we got off Thingiverse,” he said, clutching a brightly colored plastic doodad. “We have a rabbit that someone put a dragon head on.”


Mr. Abella, 35, who works in network security, said the appeal of MakerBot was that “everybody sees it with their own slant.”


“My wife’s friends look at it, and they ask me for cookie cutters in shapes that don’t exist,” he continued. “At work people see it and say, ‘Can that replace the missing part in the company Ping-Pong table?’?” (Probably, though the MakerBot has its limits — it can print objects that are at most five inches on a side, at relatively low resolution.)


Another hobbyist, Ed Hebel, made a carrying case for a single cigarette. “I go out and I don’t want to take a whole pack of cigarettes,” Mr. Hebel, an engineer from upstate New York, said, demonstrating his little holder, which he invented for the show-and-tell. “This is called a Lucy. I thought of this like two days ago. I thought for like 20 minutes, and I thought of this. And an hour later, I printed it.”


And shortly after that, it went up on Thingiverse, where, despite Mr. Hebel’s disclaimer that smoking is bad, another user quickly suggested a modification.


As part of its open-source ethos, in its offices MakerBot has a “botfarm” — 18 machines capable of operating almost continuously — that it will give over to worthwhile projects. Michael Felix, a Brooklyn designer, used it to make the hinges for a giant geodesic dome he built for a music video shoot. Noting that nearly 4,500 MakerBots have been sold so far, Mr. Pettis said, “For artists, it’s kind of like, imagine, you create something that’s a 3-D model, there’s 4,500 different locations in the world where it can seep out of the Internet into the real world and blow people’s minds.”


But the ease of replication does present some questions for art professionals.


“Art is not traditionally an open-source practice,” Mr. Watz, who is represented by the DAM gallery in Berlin, noted dryly at the open house. Nonetheless, he posted some of his technical specs on Thingiverse, explaining that he didn’t want to take advantage of the generous community spirit there without giving back.


And as a digitally oriented artist, Mr. Watz said, he had long questioned the art market’s economy of scarcity, even if he participated in it with limited-edition designs. For prospective buyers, he does offer to sign his MakerBot work, which brings up another question.


 

2011年5月10日星期二

Afghan forces 'not ready' warning

 9 May 2011 Last updated at 23:50 GMT  These police recruits in Herat province went through four months' training before graduation Afghan forces are not ready to take over responsibility for security from Nato, a leading British charity says.


Oxfam warned that more training is needed and human rights violations by Afghan forces could increase as they take on the frontline role.


Afghan forces are due to take full responsibility for national security from 2014.


Some Nato forces have faced calls for an earlier withdrawal following the death of al-Qaeda boss Osama Bin Laden.


The Afghan government has not publicly commented on Oxfam's report.


Last year, President Hamid Karzai said the decision to transfer military control would give every Afghan a stake in the future of their country.

'Trust and confidence'

According to the Oxfam report, entitled No Time to Lose, "there are serious concerns regarding the professionalism and accountability" of the Afghan security forces.


"There is a serious risk that unless adequate accountability mechanisms are put in place, violations of human rights and humanitarian law will escalate - and Afghan civilians will pay the price," the report says.


It estimates that 40,000 Afghan police officers have had no training at all. Oxfam says there are no effective systems for civilians to lodge complaints against police or soldiers.


"The Afghan people have high hopes for their security forces," said the report's author, Rebecca Barber.


"They need to know these forces will protect them and be brought to justice if they commit abuses."


Limited US troop withdrawals are due to begin in July.


In March, US Defence Secretary Robert Gates said America was "well-positioned" to begin pulling out its forces in July.