Diwali big rangoli designs with colours

 The following step by step pics show how to draw a big and easy rangoli for the festival. The dot grid is 15 to 8 but the design is very simple. The images will be self explanatory

If you want chukki rangoli design 15 to 8 ,  easy rangoli with dots 15 to 8 , 15 pulli kolam with colour for joyous festivals like  Deepavali and New Year , you may try this

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Images of white rangoli give the steps so that beginners can learn 
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We need not fill the entire rangoli with colours , only colourful lines as shown in the image below are sufficient.
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We have to decide which pattern to fill completely and which to fill with colourful lines.  The thumb rule is that the main rangoli should not be unclear. 
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Place diyas on all sides to enhance the beauty