Brought to you by your local library's venerable Vertical File, preserving your right to make something really ugly if that's what you want to do.
This properly indexed, scrupulously filed, and instantly retrievable nugget from the past has an oxymoronic title: Liquid Plastic Artistry.
Circa 1963. And if you want to know what those ugly things are hanging down from the ceiling in that picture, have a closer look:
Mom needs a creative outlet even if it gives the children nightmares.