Those who have worked in modeling clay, plasticine, wax, plaster and papier-mâché, and have had models cast in metal or paper or in the glue that plaster workers use, can appreciate the good and bad points of each. A new material is available for those who believe in teaching in three dimensions, one that promises to furnish more good points for models than any other single substance.
Plastic wood is a kind of wood pulp of the consistency of putty or thick paste, according to the amount of vehicle worked into it. It molds like clay, sets like plaster, whittles like wood and hardens like iron. A liquid is provided for thinning the soft mass if desired. Its only drawbacks are quick setting, the need of building up in layers for thick models, and the cost as compared with plaster or papier-mâché, though it is as light as the latter; it does not split like wood