Rangoli designs that attract the Shri Saraswati Principle

Anand
10 Dots : 10 Lines
On Dussehra, during Saraswati-puja draw this rangoli

Chaitanya
13 to 7 Dots
‘Om’ in the rangoli gives the spiritual experience of the Nirgun Principle, that is, Shanti

Anand
7 Dots : 7 Lines
Since Sri Saraswati is the main functional Deity for Sustenance,
She is closer to Srivishnu (Srikrushna), the Deity of Sustenance

Shri Saraswati is a Deity related to Knowledge. 
While acquiring knowledge, we get the spiritual experience of Anand.

Bhav (Divine consciousness)
27 to 25 Dots