Here are some collections of circular format freehand design Rangoli. It is very simple to draw and just fill the color in the outer circular shape and draw your own design in white Rangoli to emphasize it. The designs can comprise of diyas, flowers, dots, swastik, and leaves.
Anything of your choice. These kind of rangoli can be drawn for all occasions. Just draw the elements according to the festival. For eg. for Diwali just draw a diya in the center. And arrange the diyas circularly. For Ganesh Chaturthi draw Lord Ganesh inside the circle. Click here to see Rangoli Designs for Ganesh Festivals.