A mat board collagraph print can be made very simply by cutting shallow shapes from the board. Here are photos and links to video tuorials.
Art Studio Blog - Page 7 of 20 - Belinda Del Pesco
Mat Board Collagraph Supply List Printmaking With Belinda Del Pesco
dfgdfg Art Board Print, dfgdfg photography
Mat Board Collagraph Printmaking Design Ideas Collagraph printmaking, Collagraph, Printmaking projects
Mat Board Collagraph Print: Stackable Naps - Belinda Del Pesco
Carborundum Collagraph Print - Belinda Del Pesco
Collagraph Prints from Mat Board - a Beach Portrait - Belinda Del Pesco
dfgdfg Art Board Print, dfgdfg photography
Mat Board Collagraph: Harmony House (& a new process video) - Belinda Del Pesco
Mat Board Collagraph Print: Stackable Naps - Belinda Del Pesco
How to Make a Mat Board Collagraph Plate using Carborundum
Make a Collagraph Print from Mat Board - First Swim - Belinda Del Pesco