Dots:
13 - 5 lines and extend the center 5 dots on each side by four lines
Add the extra designs as needed on the outer areas.
Gallery
anirudh
Here are the kolams and rangolis in this page:
- Some scanned ones
- Aakasha Butti for deepavali
- Flowers and leaves
- Mysuru Dasara Elephants
- Drawing peacocks made simpler
- Ganesh
- Rangoli
- Deepavali Greetings
Again scanned one from my book, and dabbed some colors using MSPaint.
Dots in steps of 9 X 9 and two lines of 13 for extension and again 9 X 4
Scanned the image from my book and outlined in MSPaint.
Dots: 23 X 11 ...extend for the outer flowers.
one more from my precious collections 
"Rangoli Baayari" is/was a famous rangoli artist from Udupi of Karnataka, his books on rangoli are awesome, many of my scanned images are his creations, which i have tried to write in my reference book.
Dots: 15 X 15
one more scanned...
mOhanaji, this is for you, start with this and then you will be expert in drawing peakcocks
Dots: 19 to 3
19 three lines and then step down by reducing 2 dots in every line until you are left with three, on both sides.
Was arranging my books, and caught hold of my old collections, scanned them to upload here.
Lord Ganesha in the mantap, will make it on floor/table this festival and take another pic to upload.
My niece wanted to color a rangoli, using her new set of sketch pens, so drew one in her fourline book :), scanned it too.
Use computer for drawing rangolis too
The wordings did not look clear in the previous picture because of background color, so adding this.
