Author Topic: 3 D Printing  (Read 3011 times)

Yvette

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3 D Printing
« on: 04 Feb 2014 02:19PM »
Apparently, a 3 D printer can make all sorts of aids for people with disabilities.

The two examples in the following BBC article are chocks for getting a chair up a kerb and a bung to stop the straw from floating out of a drink.

I am amazed and delighted that something like this can make the lives of disabled people easier.

http://www.bbc.co.uk/news/blogs-ouch-25947021
« Last Edit: 11 Feb 2014 11:57PM by SunshineMeadows »

oldtone27

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Re: 3 D Printing
« Reply #1 on: 04 Feb 2014 02:45PM »
I think 3D printing could be the next big technological breakthrough. Already they are being used commercially, particularly for prototyping. They are good for 'one offs' and other limited runs which would be uneconomic using conventional production methods.

3D printers are quite expensive at the moment but the price will come down. Even if they remain too expensive for many I am sure it will possible to have bespoke designs made quite cheaply by print shops which I am sure will spring up soon.

This will open up the possibility of all sorts of specialist gadgets becoming available. Perhaps some disabled people with design flair will find a ready market for useful aids which could now be economic to produce in small quantities. In addition it should be quite straightforward to make individual modification of specific needs with being excessively costly.

Dic Penderyn

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Re: 3 D Printing
« Reply #2 on: 04 Feb 2014 03:28PM »
3D printing old news 4D printing is the new and upcoming idea it seems.
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oldtone27

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Re: 3 D Printing
« Reply #3 on: 04 Feb 2014 03:36PM »
4D printing, or self assembling devices, is fascinating if a bit scary. Isn't a self assembling entity - life?

Yvette

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Re: 3 D Printing
« Reply #4 on: 04 Feb 2014 03:38PM »
What is 4 D printing?

oldtone27

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Re: 3 D Printing
« Reply #5 on: 04 Feb 2014 03:43PM »
4D printed objects 'make themselves'

http://www.bbc.co.uk/news/technology-21614176 gives a general view.

Imagine an IKEA chair that assembles itself. Lets hope it understands the instructions better than a human.  >whistle<

Dic Penderyn

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Re: 3 D Printing
« Reply #6 on: 04 Feb 2014 03:48PM »
They are "printed" then alter thier shapes a functions over time.
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auntieCtheM

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Re: 3 D Printing
« Reply #7 on: 04 Feb 2014 10:53PM »
As I understand it 3D printing is layers and layers of thin material printed one layer at a time.  After a few hours of printing the layers build up into an object.

4D printing is like decorating a cake.  You have a nozzle that squirts out material into the air.  The material hardens as soon as it leaves the nozzle so you build up a structure from the squirted material.

oldtone27

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Re: 3 D Printing
« Reply #8 on: 05 Feb 2014 09:34AM »
I don't think you are quite right auntie. The 4D process you describe is essentially the same as the 3D. The 4D in the article is about a process in which the article being produced changes over time.

As I understand it, under the influence of its constituents (water in the example given) it can change shape or perhaps other characteristics.

Quote
"Imagine a scenario where you go to Ikea and buy a chair, put it in your room and it self-assembles," said Carlo Olguin, principal research scientist at the software firm.

Unfortunately the article does not describe how the process might actually work very well in my opinion.

Dic Penderyn

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Re: 3 D Printing
« Reply #9 on: 24 Feb 2014 02:03PM »
Chuckle
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ATurtle

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Re: 3 D Printing
« Reply #10 on: 04 Mar 2014 01:51PM »
As I understand the rapidly advancing technology, 4D printing is similar to the "Pop-up tent" idea. The item is printed, but with "tendons" that will contract and create the three dimensional product.

Think of a flat pack chair, folded down to fit into a flat box (about the size of a folding chair) that when you pull the chair out it snaps into the size and shape of a standard dining chair.

At present, other than chairs, I can't think of many uses of 4D printing.  But then, as a "Whovian", every 3D object has to be a 4D object as it is moving through the fourth dimension, time.
Tony.

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