The technique of providing gundi in a macha is merely a webbing technique and not a design. Once the knots are made, the actual design of the webbing can vary as seen in this charpoy (in comparison to the previous example).
Details
Title: Macha (Charpoy)
Location: Ganeshgarh, Sri Ganganagar, Rajasthan
Type: Manch (Sleeping)
Contributor: Mansi S Rao, Ben Cartwright and Samrudha Dixit
Rights: Design Innovation and Craft Resource Centre, CEPT University and South Asian Decorative Arts and Crafts Collection (SADACC) Trust