Uncovered foam as a finished texture can also be a successful option depending on the design. If looking for a matte, soft, porous finish, then open-celled urethane foam (reticulated or upholstery) is the way to go. If the finished surface is smooth or highly detailed with carvings, then closed-cell foam is the best bet.
Figure 19-1
Dying Foam
Using dye as a means of coloring foam is much better than paint. Paint only sits on the surface layer, whereas dye goes all the way through the foam and becomes intrinsic to the piece. Paint can also make foam stiff when too thick. Dye, on the other hand, ...
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