I see wonderful things

Butterflies and moths aren't the only insects that spin cocoons. Some chrysomelidae leaf beetles do the same, but instead of a silky and fabric-like substance they use a process with a foamy secretion which vaguely resemble a 3D printing process [source: https://t.co/edqKq0lkZt] pic.twitter.com/CtyV9ORNbb

— Massimo (@Rainmaker1973) September 9, 2020