Fantastic! 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!
como hacer cemento de colores - Buscar con Google
how to mix up Steve's "green" version of Hypertufa using recycled paper and built planters in molds, fashioned free-form garden stones and created leaf platters from beautiful leaves collected around the garden. The Hypertufa had to set up overnight so projects could be completed. A large part of the second day of the studio is devoted to sculpting a Grot, a Danish form of garden gnome.