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Making a bending metal pipe

Jan 17, 2012, 03:45
Post: #1
Making a bending metal pipe
I've searched all over YouTube for a video on this but can't find one. I've watched a few on how to in photoshop to get the general idea but I can't get it to look as good. The way I've seen is making a rectangle and filling w a gradient and copy/paste and move it over. My prob is when I rotate the image to make the bend and copy its copying the rotated image. Can anyone help me w this or is there another way that's easier? Thanks
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Jan 17, 2012, 08:11
Post: #2
RE: Making a bending metal pipe
(Jan 17, 2012 03:45)juju1 Wrote:  I've searched all over YouTube for a video on this but can't find one. I've watched a few on how to in photoshop to get the general idea but I can't get it to look as good. The way I've seen is making a rectangle and filling w a gradient and copy/paste and move it over. My prob is when I rotate the image to make the bend and copy its copying the rotated image. Can anyone help me w this or is there another way that's easier? Thanks
I don't quite get the problem. Do you have a URL for the tutorial?

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Jan 17, 2012, 12:10
Post: #3
RE: Making a bending metal pipe
Search "tutorial-cable interface wires" in YouTube. It's a PS tut but that's what I'm trying to do. Thanks for the reply
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Jan 17, 2012, 12:31
Post: #4
RE: Making a bending metal pipe
I don't have home Internet so I'm having problems getting the URL.
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Jan 17, 2012, 16:21
Post: #5
RE: Making a bending metal pipe
No hurry Smile

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Jan 19, 2012, 03:41
Post: #6
RE: Making a bending metal pipe
Ok this what I'm trying to make. Think of a hose on a car (radiator hose) now think of one on a race car the ones that r not black and rubber but the ones that r like metal wire hoses. That's what I'm trying to make. If u know what I'm talking about make one and I'll tell u if it's what I want. And hopefully u can tell me how to make one.
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Jan 19, 2012, 08:03
Post: #7
RE: Making a bending metal pipe
Ok got it. So, your problem is when you are producing the multiple rotated parts for bends? I assume you are always rotating the initial element by gradually increasing angles, and not applying successive rotations using the last rotated element (this would create blur).

IMHO there is a much faster technique using a brush and a path, but it requires Gimp 2.7 or above, and it's a bit too long to explain right now.

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Jan 19, 2012, 13:05
Post: #8
RE: Making a bending metal pipe
Ya there has to be a faster way I agree. I made a .pat and .gbr and tried to fill a selection but the prob w that is everything I fill horizontal looks good but vertical looks bad.
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Jan 19, 2012, 13:38
Post: #9
RE: Making a bending metal pipe
The method I'm thinking about:
- create a brush (a bit like the first element in the tutorial, but widen the sides at the top to give it a slight butterfly shape).
- use the path editor to draw a path where the center of the braided hose should be.
- set the paintbrush to this brush, and use the brush dynamics settings that uses brush rotation (this option is new in 2.7)
- stroke the path using the paintbrush

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Jan 20, 2012, 00:46
Post: #10
RE: Making a bending metal pipe
Can u make a sample for me to see if it's what im after ?
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Jan 22, 2012, 13:32
Post: #11
RE: Making a bending metal pipe
(Jan 20, 2012 00:46)juju1 Wrote:  Can u make a sample for me to see if it's what im after ?
See attachment. The brush used is the bottom layer, copied to the clipboard.

Doesn't wok too bad, especially considering that we are on rather sharp bend (bend radius: 200px, hose diameter: 80px).

Much faster than rotating/pasting it element by element. Requires Gimp 2.7 or above.

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Jan 23, 2012, 03:52
Post: #12
RE: Making a bending metal pipe
something like this
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