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Author Topic: Some CMYK
airzone
Beginner
Posts: 33
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Post Some CMYK
on: March 3, 2013, 06:42
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I did a few CMYK's using artline gel ink pens... They produce a nice smooth line, no bleed, but the colours are a bit too fluro..

One pic is my kid - block size = 25, pen width = 0.2, drawing from each corner with a different colour. The other is an SR-71 - each pen is from the same corner, but for black, I tried using a variable height style... I don't think it's as good.

I also tried a base yellow "one ring" with a vector overlay... It turned out OK, but the pen kept dropping for some reason... Need to investigate why..
Image
Image
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Pengineer
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Posts: 8
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Pengineer
Post Re: Some CMYK
on: March 5, 2013, 03:53
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Im just wondering how you produced these great multi color renderings . Did you also use the colormask option to get these results ?

Regards... Paul W pengineer

airzone
Beginner
Posts: 33
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Post Re: Some CMYK
on: March 5, 2013, 10:29
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Hi Paul

It's mostly in the pen choice. I did a colour mask on the one ring image (although the servo kept resetting for some reason). The base of the ring picture is done with a fine yellow sharpie marker, so it's quite a thick line. The vector was in a 0.5mm gel pen.

The other 2 pictures were done in cmyk gel ink pens (artline softline 0.7mm for the colours, and a cheap chinese 0.5mm for black). I had the pen width set to 0.2mm. There is no mask, and the drawings were comprised of one single line per colour. As mentioned, the block size is 25. The draw order was YMCK per the recommendations on this very forum 🙂

For the SR71 jet, I experimented using the variable height drawing style for the black pen, but used the standard variable frequency style for the colours. In the kid pic, they are all variable frequency.

I also tried to reproduce the kid pic using a CMYK norwegian image... It took 2 days to draw, but the black totally ruined the picture. I even offset the black. I might try a CMY only version.

The paper I am using is 110gsm cartridge paper, A4 size.

TBH, I am totally sold on gel pens. Very fine and sharp lines with little pen pressure, and no bleed or drying out. The colours are normally very vivid. The only catch is when they run out of ink, they stop with no warning. You need to monitor the ink level in the pen. And they're quire pricey for good ones!

To combat pen drift, I am using some packing foam cut to suit the barrel of my gondola. I have a hole poked in the middle, and it holds the pen quite firmly with little drift or shake. I also use a slow motor speed (only set to 300 with 200 accel).

Pengineer
Newbie
Posts: 8
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Pengineer
Post Re: Some CMYK
on: March 6, 2013, 03:18
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Thanks for the info on the pens
. I just returned from my local wmart with a bunch of "super gel " "Metallic" pens to experiment with . I have been using only the fine tip shapies
Whith the Sharpies you better be around when your drawing is finished in case you forgot to add a pen lift at the end . I did one a few week ago and left it run .When I returned the drawing had finished but the pen didn't lift so all the remaining ink wicked out and ruined the drawing
I have a small metal cutting lathe so I have been making custom sleeves to fit my pens. They are easy to make from pvc . Now I can accurately replace/change pens without losing position.
I have only done a few vector images from SVG files so I haven't dialed in the best settings for speed / accel and minimum vector length.

Regards ... Paul

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