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biz883883
Participating Frequently
February 20, 2013
Question

Screen printing & controlling size of dot pattern in gradient halftones gradien

  • February 20, 2013
  • 2 replies
  • 36988 views

I'm using A Mac OS 10.6.8, and Illustrator CS5.

I do garment screen printing.

In my designs I use a gradient, which needs to have the halftone dots controlled, and a certain size, to expose properly on my screens to then print.

I can't seem to figure out how to adjust the frequency or LPI, and the angle so that they work. It still prints out as a seen on screen

Thanks ahaead of time for your reply.

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2 replies

Monika Gause
Community Expert
Monika GauseCommunity Expert
Community Expert
February 20, 2013

You can only do this when printing the file.

If you need to set the resolution in the bojects, you might try the halftone effect in the plug-in Phantasm CS

B
biz883883Author
Participating Frequently
February 20, 2013

Thanks to both.

Michael,

Doing it that way leaves the dots pixelated, not sharp enuff to expose to my screen.

Monika,

I did purchase and have used Astute Graphics Phantasm CS, and that is my work around.

In Freehand I could set the Frequency (LPI) to 32, and the Angle at 12 degrees, and I was done.

I sincerely wish Adobe would have or will, take the best of Freehand and put it into Illustrator. How would they know what the 'best' is? Ask their user community with messages posted in Subject: Freehand users. Then elaborate.

1 or 2 clicks in Freehand that take me 4 and up in Illustrator.

So as not to sour this, I do very much appreciate the prompt response from Adobe via Michael, and you Monika.

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N
nonnoumenon
Participant
March 23, 2013

Hi Mick

Just 2 things,

1. neither Monika nor I represent Adobe, we're both just private citizens like you. Happy to help.

2. You can increase the resolution of Illustrator's halftone screen effect to whatever you desire. Admittedly that is not obvious, but since the halftone screen effect is a raster effect, you can go into the Effect>Document Raster Effects Settings and change the resolution that Illustrator will use to draw all of its borrowed raster effects. Bump it up to smooth out the look.

I don't know if that would have saved you any money, but maybe it will help the next person who reads this.

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This might help - Open AI file in Photoshop, convert to grayscale, then convert to bitmap - Image / Mode / Bitmap.  Under Method, choose Halftone Screen.  Choose Frequency (Lines/Inch), Angle, and Shape. 

    Michael Riordan
    Michael Riordan
    Inspiring
    February 20, 2013

    Did you try effect>pixelate>color halftone?

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