Basic Digital Skills For Designers－Optical Illusions

  Task - Using Google or similar search engine, locate and investigate the work of Bridget Riley. You will notice the use of line and shape to produce optical illusions. Using this as a basis use any 'vector based' tools you wish to generate your own works of optical illusion. Experiment with variation and colour. You may wish to use pencil paper and / or paint to explore your options. Consider the different working methods between 'hand drawn' and digital working. Look for the 'moire' patterns in particular.

Process: 

Chinese ink.

Finally

I use Chinese ink did this. Form front you can see the old man look vary angry. When you rotate the image you can see the old man look so happy.