This post may give information on - gadapa muggulu simple designs , easy rangoli border.
A collection of 9 white muggulu designs in these images
Free hand flower and leaf combination in the pic above
Can also be used for decorating Sankranti muggulu , Ugadi rangoli
Use of simple double stroke line rangoli - 3 versions in the picture above
Since the space available is minimum , simple designs are usually preferred. It is evident from the images that the simplest of borders have been shared. White rangoli designs have been shared. Decorate with turmeric paste or geru ( ochre ) as per your tradition and convenience. Flowers, leaves, mango leaves , parallel lines are some of the commonly used ideas.