"Better than salt dough? 1/2 cup cornstarch, 1 cup baking soda, 3/4 cup water. Bake at 175 for about an hour. Great idea for modern white Christmas ornaments"
Mix half Elmers glue and half shaving cream - it dries puffy like this.
making textured rollers for paint or clay
DIY: Sand Bowls by Leetal Rivlin - just sand mixed with glue and dripped over a bowl until it hardens.
Stanfords entire photography course. Online. Free.