I went to the Metropolitan Museum of Art to see islamic patterns.
Original photos:
Step 1 cut and crop
—–> 
Step 2
Upload those photos into Ai, and then I tried to convert them into 3 color and 6 color (By clicking image tracing button and then choose 3 color, 6 color, like what is shown in this photo):
Photos After I finished image tracing:
Step 3
Upload those revised pictures to Photoshop. Click magic wand tool, then click on the pictures, the wand will automatically select an large area, then click Paint bucket tool, then click a color, then click the selected area.
Finished !!! 🙂 Final Looks:
