For this painting ,I used a12 x12 hard board.
prepared the board using plaster of paris(pop)and chalk powder ratio 2:1,water n fevicol
apply the mixture on the board evenly and let it dry
Draw the desired image .
apply thick coat of fevicol on the lines and pour sand on it ,on the rest of the area brush fevicol and
apply sand.do this part by part from up to down .
when its dry, paint the image as desired