Painting on yupo paper mounted on board. If you don't like framing but like to paint on yupo paper, you might be interested in this technique, it allows you to mount yupo paper on board and display your yupo paintings without frames.
Watercolor Painting On Old Pages - Tutorial- gel medium to attach paper to cardboard, then clear gesso on front surface fie painting. Tecnica para preparar antiguas paginas, y usarlas para aplicar acuarela o gesso, etc.
20 Delicate Colorful Watercolor Flowers Painting Tutorials In Images