What is the other part of the geometric pattern of water ripple painted pottery related to?

Another part of the geometric pattern of water ripple painted pottery is probably related to some images of the origin of pottery making. Engels once pointed out: "It can be proved that in many places, perhaps in all places, the manufacture of pottery is caused by coating clay on woven or wooden containers to make them fire-resistant." When the pottery is mature, its lines are still printed or painted on the pottery when they are not needed. In the early Peiligang culture pottery, a large number of chords and combs appeared, and many patterns simulating braids appeared on painted pottery, such as checkered patterns and reticulated patterns. In addition, the fingerprints printed on pottery and the association of fingerprints when wiping or patting pottery with hands are also likely to be the sources of concentric circles, back lines, vortex lines and other patterns.