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Old Feb 12, 2013, 09:33 PM   #126
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Im starting to think he's a troll.
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Old Feb 12, 2013, 09:33 PM   #127
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What's so bad about that? Plus, I'm in the midst of getting an old friend of mine (irl) involved, and maybe his engineering friend.
Are you just a piece of performance art?
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Old Feb 12, 2013, 09:35 PM   #128
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Quote:
Originally Posted by heehee View Post
Im starting to think he's a troll.
Ummm, no.

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Quote:
Originally Posted by mobilehaathi View Post
Are you just a piece of performance art?
No.

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Originally Posted by r.j.s View Post
What's bad about that?

Seriously?

It's a device that costs several thousand dollars that you will not be able to use for any kind of production work.
You just said in an earlier post the following:
Quote:
Originally Posted by r.j.s

Production does not immediately follow the prototype, - especially since you should have several, if not several dozen, prototypes.
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Old Feb 12, 2013, 09:37 PM   #129
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Quote:
Originally Posted by Squilly View Post
You just said in an earlier post the following:
Ok? What's your point? Do think I'm contradicting myself or something?

EDIT: I see the bold ...

You're still not getting it.

Of those several dozen, only one or two should be plastic if the final product will be metal. The rest will be metal.
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Old Feb 12, 2013, 09:38 PM   #130
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Ok? What's your point? Do think I'm contradicting myself or something?
Just a little...
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Old Feb 12, 2013, 09:42 PM   #131
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So what are the different kickstarter support levels? If I donate $20k, do I get to tour the facilities or something?
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Old Feb 12, 2013, 09:42 PM   #132
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Just a little...
So you think that because I said you should have several dozen prototypes, that you are completely justified spending thousands on a 3D printer?

Again, only one or two prototypes should be plastic. The rest will need to be the final material.
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Old Feb 12, 2013, 09:42 PM   #133
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So you think that because I said you should have several dozen prototypes, that you are completely justified spending thousands on a 3D printer?

Again, only one or two prototypes should be plastic. The rest will need to be the final material.
Then how am I supposed to know that the RFID function would work if it isn't used in the prototypes with the aluminum?
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Old Feb 12, 2013, 09:45 PM   #134
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Then how am I supposed to know that the RFID function would work if it isn't used in the prototypes with the aluminum?
Well, that printer can't print aluminum, so you'd never find out anyway.

You'd be better off buying a CNC machine capable of machining aluminum.
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Old Feb 12, 2013, 09:51 PM   #135
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Starting to think aluminum might not work out very well. Just sourcing the material would be difficult in itself.
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Old Feb 12, 2013, 09:55 PM   #136
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Quote:
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Starting to think aluminum might not work out very well. Just sourcing the material would be difficult in itself.
Click image for larger version

Name:	gru_lightbulb.png
Views:	61
Size:	256.4 KB
ID:	396540

Now you're starting to understand a few things.

Or are you just looking for an excuse to buy a 3D printer?

If it's that, we're not your parents - you don't have to justify anything to us. If you want a 3D printer, buy one.
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Old Feb 12, 2013, 10:02 PM   #137
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Thread of the year.
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Old Feb 12, 2013, 10:03 PM   #138
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Quote:
Originally Posted by Squilly View Post
Starting to think aluminum might not work out very well. Just sourcing the material would be difficult in itself.


You could probably get a number of prototypes out of aluminum stock such as http://www.amazon.com/Aluminum-Tempe.../dp/B000H9FZ4K not saying it's a good idea, but Aluminum stock is readily available and relatively easy to machine if you have a milling machine or other tools.

B
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Old Feb 12, 2013, 10:10 PM   #139
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Not American but it's a start.... http://www.catcher.com.tw/

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Quote:
Originally Posted by mobilehaathi View Post
Thread of the year.
Good or bad?

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Quote:
Originally Posted by r.j.s View Post
Attachment 396540

Now you're starting to understand a few things.

Or are you just looking for an excuse to buy a 3D printer?

If it's that, we're not your parents - you don't have to justify anything to us. If you want a 3D printer, buy one.
No, I'm looking for a viable, durable material.

----------

Quote:
Originally Posted by balamw View Post


You could probably get a number of prototypes out of aluminum stock such as http://www.amazon.com/Aluminum-Tempe.../dp/B000H9FZ4K not saying it's a good idea, but Aluminum stock is readily available and relatively easy to machine if you have a milling machine or other tools.

B
Let's see....
iPhone 5 dimensions: height is 4.87 inches (123.8 mm); the width is 2.31 inches (58.6 mm); the depth is 0.30 inches (7.6 mm)
Case dimensions would have to be something like 5" x 2.5" x .4".
12" slab of aluminum @ $80 would be the equivalent of roughly two cases, if I'm lucky, and that's just for the shell/body....
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Old Feb 12, 2013, 10:16 PM   #140
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Last I checked 12"x12" can be cut into 6 4"x6" pieces or 8 3"x6" pieces.

Now you are starting to understand why you might not be able to specify the feature/wish list and price separately, without doing the real work.

B
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Old Feb 12, 2013, 10:34 PM   #141
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Originally Posted by balamw View Post


Last I checked 12"x12" can be cut into 6 4"x6" pieces or 8 3"x6" pieces.

Now you are starting to understand why you might not be able to specify the feature/wish list and price separately, without doing the real work.

B
My bad, did the math wrong. I see what you're saying.
http://gyazo.com/ecb6a824ebd5eb741815ad36fefd48ab
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Old Feb 12, 2013, 10:40 PM   #142
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Originally Posted by Squilly View Post
My bad, did the math wrong. I see what you're saying.
http://gyazo.com/ecb6a824ebd5eb741815ad36fefd48ab
I think you were the only one who needed the visual.
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Old Feb 12, 2013, 10:40 PM   #143
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Originally Posted by Squilly View Post
My bad, did the math wrong. I see what you're saying.
http://gyazo.com/ecb6a824ebd5eb741815ad36fefd48ab
You really need to get the math right if you're going to be machining aluminum. The tolerances are going to be quite tight - like 1/1000th of an inch.
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Old Feb 12, 2013, 10:42 PM   #144
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Originally Posted by r.j.s View Post
You really need to get the math right if you're going to be machining aluminum. The tolerances are going to be quite tight - like 1/1000th of an inch.
Don't hold your breath:

Quote:
Originally Posted by Squilly View Post
Yeah, lol. I suck at math, going for Engineering at the moment. Fml -.-
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Old Feb 12, 2013, 10:53 PM   #145
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This isn't working...

Now might be a good time for the picture from above...
http://forums.macrumors.com/attachme...1360727628.jpg
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Old Feb 12, 2013, 11:05 PM   #146
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This isn't working...

Now might be a good time for the picture from above...
Image
We're all proud of you boy!
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Old Feb 12, 2013, 11:35 PM   #147
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Not American but it's a start.... http://www.catcher.com.tw/[COLOR="#808080"]
....
Let's see....
iPhone 5 dimensions: height is 4.87 inches (123.8 mm); the width is 2.31 inches (58.6 mm); the depth is 0.30 inches (7.6 mm)
Case dimensions would have to be something like 5" x 2.5" x .4".
12" slab of aluminum @ $80 would be the equivalent of roughly two cases, if I'm lucky, and that's just for the shell/body....
OK... now you are starting to actually get somewhere...

But...you gotta step back.

Find a cheap source of Aluminium, and learn to CNC it yourself. Initially, it doesn't have to fit perfectly ... a little oversize will show you if you it blocks RFID in one spot, but the openings let the other radio waves out.

Aluminium can be cut with the same bits you use to cut very hard wood if you go slowly. And don't mind replacing bits often. A router and jig and a selection of bits should give you a decent enough prototype to test a few things. You will want a few made up so that you can experiment with where the holes need to go for the radio bits to work.

Remember to practice safety. Goggles are the most important. I'm not sure about fumes, but a well ventilated space will help.

Do this and you may actually be on the road to inventing something.

You do, of course, have an RFID card, eh?.... and more importantly an RFID reader to test this with? Right?
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Old Feb 13, 2013, 01:18 AM   #148
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I don't even. I can't even...

What the hell?
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