Wish the site was in English. Use a sponge to soak up concrete mix in whatever shape you desire and let it harden into a hardened version of what you just cut out.--- great idea for a base for my mosaic garden projects!
salt dough for ornaments : ) Love this. Should be able to make easily with Salt Dough - 2 cups flour, 1 cup salt, cold water. Mix until has consistency of play dough. bake at 250 for 2 hours, then cool and paint….good recipe for thumbprint pendant