Why all the hoopla over 3d printer guns?

Q. What are the odds that normal folks have 2 - 50k to shell out for the machines that do this stuff. Just more hysteria from the media.

Latest example at nypost.com

Answer
Oh, you mean the thought that for say $5,000-$10,000 a group of terrorists like the Arian Brotherhood could create an arsenal of untraceable guns that could pass right through airport scanners, is all right with you? Well, it is NOT alright with 90% of Americans.

I have worked with 3D printers and the current generation IS capable of creating weapons that are untraceable and undetectable by airport scanners. And once you understand the process and practice creating the raw materials to print with you can literally create ceramic guns and cartridges and bullets that can't be detected by airport scanners. So what if one out of ten crack in the kiln if you are creating 1,000 that still leaves 900 working firearms.

how to create a 3d model of a guitar?

i want to create a 3d model of a guitar. what ways are there to help me create it with the software i have, as in importing photo files or a scanning the guitar itself?

Answer
if you meant to design 3D guitar on computer, you could simple collect measurements and re draw image in 3D editor like Sketchup

Sketchup
http://www.sketchup.com/
3d Warehouse
http://sketchup.google.com/3dwarehouse/search?q=guitar&styp=m&scoring=t&btnG=Search
___________

Strata - 3D CX
http://www.strata.com/products/strata_3d_cx_suite/strata_foto_3d_cx/
could be use to take photos and place visually into rendered object of guitar body

if you meant to actually make model as life size copy,
that would require laser scanner and printer

Geomagic 3D Haptic Design, Imaging and Metrology software
http://geomagic.com/en/

NextEngine 3D Laser Scanner
http://www.nextengine.com/

Handyscan Handheld 3D Scanners
http://www.creaform3d.com/en/handyscan3d/default.aspx

3D Printers and Rapid Prototyping | 3D Systems
http://www.zcorp.com/en/home.aspx
..

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is there a 3d printer/scanner combo?

float_on_h

Answer
I believe every 3d printer has a scanner because it has to scan the item it is producing. what I would like to see is a 3d printer with faxes which faxes the item to a third party :)

Why all the hoopla over 3d printer guns?

Obama fail

What are the odds that normal folks have 2 - 50k to shell out for the machines that do this stuff. Just more hysteria from the media.

Latest example at nypost.com

Answer
Oh, you mean the thought that for say $5,000-$10,000 a group of terrorists like the Arian Brotherhood could create an arsenal of untraceable guns that could pass right through airport scanners, is all right with you? Well, it is NOT alright with 90% of Americans.

I have worked with 3D printers and the current generation IS capable of creating weapons that are untraceable and undetectable by airport scanners. And once you understand the process and practice creating the raw materials to print with you can literally create ceramic guns and cartridges and bullets that can't be detected by airport scanners. So what if one out of ten crack in the kiln if you are creating 1,000 that still leaves 900 working firearms.

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Can someone answer my questions about the 3-D printer?

Joey

Is there any limits to what it can make? Is it illegal to make certain things out of the 3D printer? If so,tell me. How much money is a 3D printer?If I put a puppy in the scanner, would it be able to replicate the puppy? How does the 3-D printer know if something should move or not?

Answer
Let me answer your questions one at a time:

1. Is there any limits to what it can make?
Right now, yes. In the future, no. The technology today is not advanced enough to make anything. The most common materials used now are plastic, resin, and recently the technology has grown to include metal. Food (lots of chocolate) has recently been printed as have organic materials such as stem cells. However, right now the biggest constraints of 3D printing is size. Soon one can conceivably print things as big as buildings, but for now most printers are relatively small (12in.X12in. though there are some much larger commercial printers). The future of 3D printing will also allow for printing on a molecular level, but for now the technology can only print in the micro scale.

2. Strictly speaking there are no laws against printing anything in 3D. However, laws exist that prohibit the manufacturing of certain goods and these apply to things that a 3D printer can conceivably make. An example of something that is illegal to print in the U.S. is a full gun. One can print parts of a gun legally, but cannot print a whole gun.

3. The cost of a 3D printer varies greatly. One can buy a 3D printer for the home for as little as $499. Commercial 3D printers cost much more and can run upwards of $30,000. With the continual advancement of the technology you can expect to see the prices drop as time goes on.

4. If you scan a puppy in 3D, a printer can print it in 3D. It would most likely be made out of plastic or resin though, not nice soft puppy fur.

5. 3D printers can print moving parts. When an item is programed into the software it maps out exactly where to lay down material. Because 3D printing is additive manufacturing it doesn't print the parts one by one, but instead prints the whole object layer by successive layer. If the programing is correct then moving parts can be included in the printed final product.

So, how does 3D printing work?

Dagbah

Today, I watched a YouTube video by ASAP Science and they were discussing about 3D printing. I got really interested and I wanted to know what can you do with a 3D printer. I know you can obviously print out things in 3D physical objects, and the only thing I've really seen people print out are things like dishes, etc. Can you print out other things like... let's say a phone, clothes, shoes, or even a human being? Respond quickly! Thanks :)

Answer
the current 3D printing technology is limited to Plastic items, there are some '3D food printers'

your really only limited to printing what is availible online, you have to first have a 3D image of what your wanting to print which a lot of people are using 3D scanners and uploading plans and making them availible for others to use.

you cant print phones, but you can print covers
no cloathes
no shoes
no humans/animals/living beings.

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I have an HP all in one printer. How can i scan a 3d object and make it all infocus?

3d scanner 3d printer image

unoon

Everytime i try to scan something, the part that is touching the screen comes in clear, but everything that isnt comes in real blurry. Is there anyway i can scan these things so that the whole object is clear?

Answer
use a digital camera then upload the picture
you will not do it with a scanner as it don't focus it just see whats on the flat screen

What can I use to cast a mold from stone without hurting the stone?

disciple

I'm new to this, but does anyone know what medium I would use to make a mold from a stone. In other words, There is an old building with a beautiful design sculpted in to it. I want to copy this design. I know there is a material out there that I can press against the original design and make a mold of it and then cast the design in plaster. I just don't know what material I would use to do this without hurting the stone.... Help!!!

Answer
I think the sculpey or any clay will work. If you use normal clay, any residue left will dissolve in the next rain, just don't use brown clay on light stone... if you use water based clay you would have to cast your plaster into the mold while the clay is still wet.
As the clay won't be very stable just on its own, you should consider making a mother mold on top of that. That is a hard shell, which just gives support to the soft part of your mold so it doesn't deform. It depends on the size of what you want to copy if you need it. You could make the mothermold from plaster bandages, but don't put plaster directly on the stone.
Before you start, consider carefully the shape of what you want to copy and where undercuts are and where you have to put in parting lines. What technique you use for mold making really depends on the exact shape of what you want to copy. If the structure is something complicated, you may want to practice how to make molds from more simple structures first so you are aware what causes problems and get some experience in how to solve them.

Another completely contact free method is if you happen to be at a university where they have a 3D laser scanning camera you can borrow, you could use the 3D laser scanner then make a model of your structure in the computer from the scans. That you could print out using a 3D printer. that way you can scale the model to any size (though anything large will be expensive to print)

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I have an HP all in one printer. How can i scan a 3d object and make it all infocus?

3d scanner 3d printer image

unoon

Everytime i try to scan something, the part that is touching the screen comes in clear, but everything that isnt comes in real blurry. Is there anyway i can scan these things so that the whole object is clear?

Answer
use a digital camera then upload the picture
you will not do it with a scanner as it don't focus it just see whats on the flat screen

What can I use to cast a mold from stone without hurting the stone?

disciple

I'm new to this, but does anyone know what medium I would use to make a mold from a stone. In other words, There is an old building with a beautiful design sculpted in to it. I want to copy this design. I know there is a material out there that I can press against the original design and make a mold of it and then cast the design in plaster. I just don't know what material I would use to do this without hurting the stone.... Help!!!

Answer
I think the sculpey or any clay will work. If you use normal clay, any residue left will dissolve in the next rain, just don't use brown clay on light stone... if you use water based clay you would have to cast your plaster into the mold while the clay is still wet.
As the clay won't be very stable just on its own, you should consider making a mother mold on top of that. That is a hard shell, which just gives support to the soft part of your mold so it doesn't deform. It depends on the size of what you want to copy if you need it. You could make the mothermold from plaster bandages, but don't put plaster directly on the stone.
Before you start, consider carefully the shape of what you want to copy and where undercuts are and where you have to put in parting lines. What technique you use for mold making really depends on the exact shape of what you want to copy. If the structure is something complicated, you may want to practice how to make molds from more simple structures first so you are aware what causes problems and get some experience in how to solve them.

Another completely contact free method is if you happen to be at a university where they have a 3D laser scanning camera you can borrow, you could use the 3D laser scanner then make a model of your structure in the computer from the scans. That you could print out using a 3D printer. that way you can scale the model to any size (though anything large will be expensive to print)

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