Difference between revisions of "Prepare files for screenprinting"

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[[File: curves.png|384x384px]]
[[File: curves.png|384x384px]]
*Go to Treshhold and play with the slider until it looks how you want it
*Go to Treshhold and play with the slider until it looks how you want it
[[File: Treshhold1.png]]
[[File: Treshhold1.png|488x488px]]
[[File: Treshhold2.png]]
[[File: Treshhold2.png|403x403px]]
 
 
[[File: Treshhold3.png]]
[[File: Treshhold3.png]]






====Multicolor image====
====Multicolor image====
=====CMYK=====
*Change your color mode to grayscale, Image>>Mode>>CMYK
It will change to colors a bit from the RGB setting
[[File: Fullcolorimage.png|384px]]
[[File: cmyk.png|384px]]
*Go to Channels section on the right and click on the burger menu
[[File: channels.png|391x391px]]
*Split Channels
[[File: splitchannels.png|461x461px]]
*Repeat steps 3-8 from One color with grayscale section of this page, changing the angles of each channels halftone bitmap but keeping the same frequency
[[File: angles.png|384px]]
=====CMY (Multichannel)======
You can also use the Multichannel settings, it does change the way the image looks but it is one layer(one screen) less
[[File: multichannel.png|356x356px]]
[[File: multicolor.png|384px]]
*Then follow steps and 3 from the CMYK section of this page
===Screen printing a design===
===Screen printing a design===
====Design without gradients====
====Design without gradients====

Latest revision as of 07:23, 5 October 2023

Dimensions

Are the dimensions of your file the same as the your paper size? Check if the dimensions of your file match the size of your paper. For A4 that should be 297 x 210mm.

How to check file dimensions in Photoshop

  • Go to Image>>Image Size and see if the width and height are correct.

Screenshot 2023-09-07 at 13.55.19.png Phimdim2.png

How to check file dimensions in Illustrator

  • Click on the Artboard tool, Click on the Artboard and see the dimensions in the Properties window

Screenshot 2023-09-07 at 14.15.58.png Screenshot 2023-09-07 at 14.16.16.png

How to check file dimensions in Indesign

  • Go to File>>Document Set up and see if the width and height are correct.

Screenshot 2023-09-07 at 14.22.45.png Screenshot 2023-09-07 at 14.22.57.png

Quality

  • For printing the best quality is 300dpi while maintaining the dimensions of the paper

Photoshop

  • Go to Image>>Image Size

Phimdim2.png

Getting your design screenprint ready

Screenprinting an image Photoshop set up

One color image with grayscale

  • Change your color mode to grayscale, Image>>Mode>>Grayscale

Modegrayscale.png Modegrayscaleset.png

  • You can adjust the curves to make your design lighter or darker

Curveswhere.png Curves.png

  • Make your image into a bitmap Image>>Mode>>Bitmap

Bitmap.png

  • Click okay on Flatten

Flatten.png

  • Choose output 300px/in

Bitmapwindowoutput.png

  • Choose Halftone Screen and click OK

Halftonescreen.png

  • Choose Frequency between 20-40 lines/inch, you can also change the angle of them

Frequency.png

  • Choose the shapes of the Halftone Screen and click OK

Shapes.png

The higher the Frequency the more dots your image will have

Frequency 40: Dots40.png

Frequency 20: Dots20.png

One color image without grayscale

  • Change your color mode to grayscale, Image>>Mode>>Grayscale

Modegrayscale.png Modegrayscaleset.png

  • You can adjust the curves to make your design lighter or darker

Curveswhere.png Curves.png

  • Go to Treshhold and play with the slider until it looks how you want it

Treshhold1.png Treshhold2.png


Treshhold3.png



Multicolor image

CMYK
  • Change your color mode to grayscale, Image>>Mode>>CMYK

It will change to colors a bit from the RGB setting

Fullcolorimage.png Cmyk.png

  • Go to Channels section on the right and click on the burger menu

Channels.png

  • Split Channels

Splitchannels.png

  • Repeat steps 3-8 from One color with grayscale section of this page, changing the angles of each channels halftone bitmap but keeping the same frequency

Angles.png

CMY (Multichannel)=

You can also use the Multichannel settings, it does change the way the image looks but it is one layer(one screen) less Multichannel.png Multicolor.png

  • Then follow steps and 3 from the CMYK section of this page

Screen printing a design

Design without gradients

Visualisation of a 2 color screen print design:

Screenshot 2023-09-21 at 15.13.48.png

  • Prepare your design only in black and white and if want to print multiple color design prepare the different colors on different layers and export as separate files/pages

Chickenscreen.png Egg.png

Design with gradients

Visualisation of a 2 color screen print design with a gradient:

Screenshot 2023-09-21 at 15.32.44.png

  • Prepare your design only in black and white and if want to print multiple color design prepare the different colors on different layers and export as separate files/pages, when you want to have a gradient make sure to create a halftone out of it
  • In Illustrator you can do that by making a black to white gradient and the going to Effect>>Pixelate>>Color Halftone and the choose a radius of the dots

Illhalf.png Radius.png Halftonemadeegg.png

PDF export

  • Make sure your file is exported as a pdf 2001

Photoshop

  • Save as>> Photoshop Pdf>> Pdf 2001

Saveas1.png Pdf2001.png

Illustrator

  • Save>>Adobe Pdf>>Pdf 2001

Pdfai.png Pdf2001ai.png

Indesign

  • Export>>Adobe Pdf>>Pdf 2001

Pdfin.png Pdf2001in.png

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