It is a 13-1 dotted kolam

Here are the kolams and rangolis in this page:
  • Pongal kolam
Pongal kolam
Rangoli: Pongal kolam
Created by Abhijith Vijayakumar on 2015-03-24,

This is my 2015 pongal kolam with 13-1 dotted grid and the outer design done to make it much better...Rangoli It is a 13-1 dotted kolam: Pongal kolam by Abhijith Vijayakumar