Buttons from plaster break of course easily, but you can use plaster button ornaments everywhere as embellishments :)
Links:
Plaster Button Ornaments (Cute buttons from Plaster of Paris or Ceramic)
=> the tutorial doesn’t have pictures anymore, I have it from the via link below
via: Crafts plaster of paris
=> scroll down to Plaster Paris Crafts Cute buttons from Plaster of Paris or Ceramic