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Making A Cog Wheel In Gimp

I needed a cog wheel image to apply as a bump map to my logo design so I had a little tinker in Gimp.

Here’s my process for making a cog wheel in Gimp.

Step 1: Draw a wedge shape.


Step 2: Mirror the wedge.


Step 3: Rotate it 7 times around the centre-point.


Step 4: Select a smaller circular area.


Step 5: Fill the circular area with black (using the ellipse selection tool + Shift + Ctrl to select from the centre-point).  Select a smaller circular area and fill that with white.  Repeat until happy with the pattern.


Tried out a glazing technique where I applied acrylic paint in many translucent layers.