This piece was done on 010 soft-fired earthenware. It can be done on greenware and bisque on earthenware or stoneware and porcelain.
Here is the PDF with the basic instructions and pattern. Eileen’s Tulip
This demo was done on “Live at 5 pm EST” on ClayShare’s YouTube channel or on the ClayShare website. https://clayshare.com/programs/eileens-tulip
Or on Jessica Putnam-Phillips YouTube Channel https://www.youtube.com/@JessicaPutnamPhillips