This is what the mold looks like once the mixture has been poured in, and the shape of the bookend is now visible. Any cement that splashes up onto the stones can be wiped off later, once the piece has set; it's so thin and easily re-hydrated that even after it dries, a wet cloth will suffice to remove it.
7 / 9

This is what the mold looks like once the mixture has been poured in, and the shape of the bookend is now visible. Any cement that splashes up onto the stones can be wiped off later, once the piece has set; it's so thin and easily re-hydrated that even after it dries, a wet cloth will suffice to remove it.