Kundan Rangoli is an art form that is usually done using Rhine stones, different shapes, and decorating objects. These Rangolis can be of any size and can be done anywhere. You can do it on a bright velvet background and hang it, or do it on your wall, or on your floor- the choice is yours
The Base is usually a OHP Sheets ie, thin plastic sheet of Approx -2mm thickness or an Acrylic base. Rarely even wood is used as a base.