| http://www.w3.org/ns/prov#value | - MaterialsIt may be possible to cover Styrofoam and other polystyrenes to use as armatures (though the jury is still out) to create hollow forms (partly or completely)....(for more details, plus discussion of shrinking or melting rates and fumes, see Covering > Plastics, Styrofoam)... floral foams?for a cheap and easy-to-carve block material (even for kids) for creating 3-D forms, see vermiculite
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