13 dots (Ner Pulli) Kolam.
Put 13 dots 7 times, put dots by leaving 1 dot at both ends then stop at 7 dots.
Draw kolam in simple 4 steps.
Step 1: Draw below pattern.
Step 2:
Step 3:
Step 4: Connect kolam as shown.
Erase the remaining dots and color the kolam.