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Old 03-13-2017, 10:52 PM   #1
xoxoxoBruce
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Mar 14th, 2017: Deep Learning

Anything you can do they can do better,
They can do anything better than you.
Not you, humans. They are computers used to design things, especially 3-D printed things.



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What happens when you have Deep Learning begin to generate your designs? The commons misconception would be that a machine’s design would look ‘mechanical’ or ‘logical’. However, what we seem to be finding is that they look very organic, in fact they look organic or like an alien biology. Take a look at some of these fascinating designs.


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“This is not only an exciting development for the construction sector, but many other industries as well. In the case of this particular piece, the height is approximately half that of one designed for traditional production methods, while the direct weight reduction per node is 75%. On a construction project that means we could be looking at an overall weight reduction of the total structure of more than 40%. But the really exciting part is that this technique can potentially be applied to any industry that uses complex, high quality, metal products.”


The computer calculates the stresses, knows the material's strength and calculates what is needed.
Fine, but what is the calculation using for data? Tables somebody gave it? Are the accurate?
If you tell it to design for maximum weight savings you get a design the is just strong enough for the parameters it's given.
If you tell it to program for low cost it depends on the data for a safe design.
I can see a lot of slaves in this woodpile.

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Old 03-14-2017, 07:46 AM   #2
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The stress optimized designs are certainly weird looking. I've not seen any in practical use, that bicycle part looks like it would be an 'interesting' test.

Of course in an engineering design required strength is calculated, then a safety factor applied, cost and weight are minimized to provide this level of strength.
Light weighting is a big deal in automotive design currently, reducing weight to help meet fuel efficiency standards.
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Old 03-14-2017, 07:59 AM   #3
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Originally Posted by Beest View Post
Of course in an engineering design required strength is calculated, then a safety factor applied, cost and weight are minimized to provide this level of strength.
Yes, when engineers do it, but what happens when the design engineers are replaced with contract hungry programmers, who win or fold?
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Light weighting is a big deal in automotive design currently, reducing weight to help meet fuel efficiency standards.
When I look at that frame design the thing that comes to mind is how the fuck do you repair that?
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Old 03-14-2017, 08:01 AM   #4
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You 3D print an exact duplicate part. Takes 5 minutes!
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Old 03-14-2017, 08:06 AM   #5
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I think that automobile frame would take a lot more than 5 minutes, even if repair shops had the capability. Of course it's a copy righted part so it would take awhile to do the paperwork and pay the royalties.
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Old 03-14-2017, 08:11 AM   #6
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I wonder if they used that technology to design the Klymint ultra-lightweight backpacking sleep pad? Packs up smaller than a soda can.
Name:  klymint_inertiaxframe_angledbag_v1.jpg
Views: 301
Size:  31.5 KB
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Old 03-14-2017, 11:19 AM   #7
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Mind your contractor...
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Old 03-14-2017, 12:17 PM   #8
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Mind your contractor...
That is exactly my worry, the machine designs and builds according to the ethics/goals set by whomever controls the input.
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Old 03-14-2017, 11:23 AM   #9
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Quote:
Originally Posted by glatt View Post
I wonder if they used that technology to design the Klymint ultra-lightweight backpacking sleep pad? Packs up smaller than a soda can.
Attachment 59754
like to try that...
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Old 03-14-2017, 11:36 AM   #10
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Quote:
Originally Posted by glatt View Post
I wonder if they used that technology to design the Klymint ultra-lightweight backpacking sleep pad? Packs up smaller than a soda can.
Attachment 59754
I found this graphic which seems to match my own experience.

Do the pressure points line up?
Name:  1431514510-0.jpg
Views: 269
Size:  29.1 KB

Looks to me like the shoulder area is under padded, assuming the head area is closest to us.
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Old 03-25-2017, 08:01 AM   #11
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Quote:
Originally Posted by glatt View Post
I wonder if they used that technology to design the Klymint ultra-lightweight backpacking sleep pad? Packs up smaller than a soda can.
Attachment 59754
I have to say, this is one of the stupidest fucking things I have ever seen. Designed by someone who is divorced from the reality of camping, it's not only not right, it's not even wrong.

Who remains motionless during their sleep? When backpacking, how often do you find yourself sleeping on flat ground without sticks, roots, stones, peas, and god knows what poking up from the ground? Even a small root would easily protrude beyond the thickness of the mat though one of the openings.

Seriously, people need to get the fuck off their devices, stop playing with solidworks, sketchup, and autocad and go outside and actually touch the physical world.
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Old 03-25-2017, 09:47 AM   #12
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But it works fine on top of my mattress.
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Old 03-25-2017, 02:16 PM   #13
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Originally Posted by xoxoxoBruce View Post
But it works fine on top of my mattress.
And would it fit in a "child sized" soda cup? @ 48 sec

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Old 04-17-2017, 02:45 PM   #14
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Quote:
Originally Posted by xoxoxoBruce View Post
But it works fine on top of my mattress.
And in the pool.
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Old 03-14-2017, 08:03 AM   #15
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I find it intriguing how differently learning is handled by different "students". A group of scientists taught a group of captive-raised monkeys the concept of money by getting them to associate desired behavior with the reward of a small metal circle, which they could then put in a specifically designed vending machine for whatever food treat (visible through windows) they were in the mood for.

Not long after, they noticed something. Male monkeys were performing--and even over-performing--the desired behaviors. Upon getting their "coin", they'd either get a food treat or just hand the "coin" over to a female, who would then reward the male with sex. Yup, we taught monkeys about money and the FIRST thing they invented was sex for hire.

Now we teach a computer about stresses and physics and calculus and all that goes into this kind of research, and the stress-optimized designs it comes up with all look vaguely biological. That last photo, the piece that looks like it should clip together, reminds me a LOT of the structure of bird bones, which have just about the best stress-for-weight ratio found above the benthic zones of the oceans.

If the current political administration hadn't just gutted every bit of scientific funding (even NOAA lost a massive chunk of its budget...good luck directing your military without weather satellites!) I'd be a lot more excited about the immediate future of this kind of research.
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