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How to create half tone effect in GIMP tutorial
Half tone effect is very popular these days both in illustration and as addition to photographs. Photoshop has a dedicated plug in to create half tone, but you can also create it in GIMP. All you need to have is GIMP installed on your computer.
You can download latest version of GIMP from here.
Open GIMP, create a new file going to File / New. I chose 600 x 600px size.
Fill your background layer with white.
Next set your foreground colour to Black and background colour to White.
Select Blend Tool going to Tools / Paint Tools / Blend. Set Gradient to FG to BG (RGB) and Shape to Radial.
Pull gradient from the middle of the layer to the bottom. You should get something like shown in fig 1.
Go to Filters / Distorts / Newsprint.
Choose settings as shown in fig 2:
Cell size: 20
Screen Separate to: CMYK
You can play with all the settings, but always remember to set Oversample to the highest setting, it will assure smooth transaction.
Tip: If you change Spot Function from Round to Line you will get another interesting effect, see fig 3.
Now you can create a brush from this, so that every time you want to add this half tone effect to an image, you don’t have to create it.
If you don’t know how to make a custom brush in GIMP, follow my tutorial here. Start from point #13.
Hope this tutorial was helpful to you :)