One of the most fascinating designs is the conch or shankh designs in rangoli. We use them for festivals like Sankranti and also for Navratri decoration .
The popular star dot pattern used for shankh rangoli is shown below
How to draw star with dots for rangoli
First place two rows of nine dots
Then 10,111,12 dots above and below the 9 dots
Then it is 3,2,1 dots on either side
How to draw star using dots for rangoli
This pattern is used in a variety of rangoli designs
The next few images show how the design progresses and also how the shankh pattern is drawn.
Incidentally the shankam can be drawn in many ways.
Add colours for the design when we draw for our New Year muggu or Sankranthi.