He said he should have prepared it more carefully.

VOA: special.2009.11.12

But if you look more closely, the sculpture "Shapeshifter" is made out of old plastic chairs that have been carefully cut and bolted together.

VOA: special.2009.11.13

After several more drying steps, the paper is carefully lifted back from the mold.

VOA: special.2009.07.06