If want to lean complex zentangle circle design then please watch this tutorial
Please follow my youtube channel for more such tutorials.
Step 1: Draw the Circles
In the first step draw 2 circles with the help of a compass one slightly smaller than the other.
Step 2: Draw the Patterns
In the second step draw some random lines and divide the circle into some random portions or you can follow the lines i did in my art piece.
Step 3: Start Filling the Portions
In the first portion start making circles one by one. and draw outlines with a bold marker.
Step 4: Alternate Stripes
start drawing black stripes and draw alternate zigzag lines in between.
Step 5: Black Stripes Circles
draw alternate circles as shown in the picture.
Step 6: Small Portions
draw alternate semi circles in the small portions as shown in the picture.
Step 7: Shell Shape Pattern
Step 8: Almost Done
follow the pattern and colour boxes and leave 2 boxes in between
Step 9: Final Touches
start filling the remaining smaller portions one by one as shown in the picture
Step 10: Last Portion
Follow the last pattern and divide it into multiple stripes and follow each line with individual pattern.
Step 11: DONE!!!!
And its done.