marbleizer
/ˈmɑrbliˌaɪzər/Definitions
1. noun
A person or thing that marbleizes; specifically, a device or tool used to create marbled patterns on paper or other materials.
“The marbleizer was a key element in creating the unique design for the art project.”
2. verb
To create a marbled pattern or design, especially on paper or other materials.
“The artist marbleized the paper to create a beautiful, swirling effect.”